Home / 337,880.79-507,070.87-272,114.66

Finding the Fourth Proportional to 337,880.79, 507,070.87 and 272,114.66

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Solution

The fourth proportional to 337,880.79, 507,070.87 and 272,114.66 is: 408,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,880.79 : 507,070.87 = 272,114.66 : x
  2. Step 2: Convert to fraction form
    337,880.79/507,070.87 = 272,114.66/x
  3. Step 3: Cross multiply
    337,880.79x = 507,070.87 × 272,114.66
  4. Step 4: Simplify right side
    337,880.79x = 137,981,417,973.35
  5. Step 5: Solve for x
    x = 137,981,417,973.35/337,880.79
  6. Step 6: Final answer
    x = 408,373.08

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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.