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Finding the Fourth Proportional to 493,504.74, 740,263.19 and 173,666.16

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Solution

The fourth proportional to 493,504.74, 740,263.19 and 173,666.16 is: 260,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,504.74 : 740,263.19 = 173,666.16 : x
  2. Step 2: Convert to fraction form
    493,504.74/740,263.19 = 173,666.16/x
  3. Step 3: Cross multiply
    493,504.74x = 740,263.19 × 173,666.16
  4. Step 4: Simplify right side
    493,504.74x = 128,558,665,596.65
  5. Step 5: Solve for x
    x = 128,558,665,596.65/493,504.74
  6. Step 6: Final answer
    x = 260,501.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.