Home / 387,674.07-534,767.06-242,227.59

Finding the Fourth Proportional to 387,674.07, 534,767.06 and 242,227.59

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Solution

The fourth proportional to 387,674.07, 534,767.06 and 242,227.59 is: 334,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,674.07 : 534,767.06 = 242,227.59 : x
  2. Step 2: Convert to fraction form
    387,674.07/534,767.06 = 242,227.59/x
  3. Step 3: Cross multiply
    387,674.07x = 534,767.06 × 242,227.59
  4. Step 4: Simplify right side
    387,674.07x = 129,535,334,944.05
  5. Step 5: Solve for x
    x = 129,535,334,944.05/387,674.07
  6. Step 6: Final answer
    x = 334,134.64

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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.