Home / 499,088.60-748,632.90-144,114.20

Finding the Fourth Proportional to 499,088.60, 748,632.90 and 144,114.20

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Solution

The fourth proportional to 499,088.60, 748,632.90 and 144,114.20 is: 216,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,088.60 : 748,632.90 = 144,114.20 : x
  2. Step 2: Convert to fraction form
    499,088.60/748,632.90 = 144,114.20/x
  3. Step 3: Cross multiply
    499,088.60x = 748,632.90 × 144,114.20
  4. Step 4: Simplify right side
    499,088.60x = 107,888,631,477.18
  5. Step 5: Solve for x
    x = 107,888,631,477.18/499,088.60
  6. Step 6: Final answer
    x = 216,171.30

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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.