Home / 387,041.22-534,113.19-217,274.13

Finding the Fourth Proportional to 387,041.22, 534,113.19 and 217,274.13

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Solution

The fourth proportional to 387,041.22, 534,113.19 and 217,274.13 is: 299,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,041.22 : 534,113.19 = 217,274.13 : x
  2. Step 2: Convert to fraction form
    387,041.22/534,113.19 = 217,274.13/x
  3. Step 3: Cross multiply
    387,041.22x = 534,113.19 × 217,274.13
  4. Step 4: Simplify right side
    387,041.22x = 116,048,978,678.78
  5. Step 5: Solve for x
    x = 116,048,978,678.78/387,041.22
  6. Step 6: Final answer
    x = 299,836.23

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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.