Home / 312,303.40-468,455.03-170,268.13

Finding the Fourth Proportional to 312,303.40, 468,455.03 and 170,268.13

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Solution

The fourth proportional to 312,303.40, 468,455.03 and 170,268.13 is: 255,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,303.40 : 468,455.03 = 170,268.13 : x
  2. Step 2: Convert to fraction form
    312,303.40/468,455.03 = 170,268.13/x
  3. Step 3: Cross multiply
    312,303.40x = 468,455.03 × 170,268.13
  4. Step 4: Simplify right side
    312,303.40x = 79,762,958,753.58
  5. Step 5: Solve for x
    x = 79,762,958,753.58/312,303.40
  6. Step 6: Final answer
    x = 255,402.15

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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.