Home / 372,350.47-514,000.06-315,285.64

Finding the Fourth Proportional to 372,350.47, 514,000.06 and 315,285.64

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Solution

The fourth proportional to 372,350.47, 514,000.06 and 315,285.64 is: 435,226.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,350.47 : 514,000.06 = 315,285.64 : x
  2. Step 2: Convert to fraction form
    372,350.47/514,000.06 = 315,285.64/x
  3. Step 3: Cross multiply
    372,350.47x = 514,000.06 × 315,285.64
  4. Step 4: Simplify right side
    372,350.47x = 162,056,837,877.14
  5. Step 5: Solve for x
    x = 162,056,837,877.14/372,350.47
  6. Step 6: Final answer
    x = 435,226.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.