Home / 210,298.57-315,400.69-60,505.45

Finding the Fourth Proportional to 210,298.57, 315,400.69 and 60,505.45

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Solution

The fourth proportional to 210,298.57, 315,400.69 and 60,505.45 is: 90,744.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,298.57 : 315,400.69 = 60,505.45 : x
  2. Step 2: Convert to fraction form
    210,298.57/315,400.69 = 60,505.45/x
  3. Step 3: Cross multiply
    210,298.57x = 315,400.69 × 60,505.45
  4. Step 4: Simplify right side
    210,298.57x = 19,083,460,678.76
  5. Step 5: Solve for x
    x = 19,083,460,678.76/210,298.57
  6. Step 6: Final answer
    x = 90,744.61

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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.