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Finding the Fourth Proportional to 310,901.10, 466,351.65 and 100,560.30

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Solution

The fourth proportional to 310,901.10, 466,351.65 and 100,560.30 is: 150,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,901.10 : 466,351.65 = 100,560.30 : x
  2. Step 2: Convert to fraction form
    310,901.10/466,351.65 = 100,560.30/x
  3. Step 3: Cross multiply
    310,901.10x = 466,351.65 × 100,560.30
  4. Step 4: Simplify right side
    310,901.10x = 46,896,461,829.50
  5. Step 5: Solve for x
    x = 46,896,461,829.50/310,901.10
  6. Step 6: Final answer
    x = 150,840.45

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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.