Home / 380,018.32-524,417.19-207,935.61

Finding the Fourth Proportional to 380,018.32, 524,417.19 and 207,935.61

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Solution

The fourth proportional to 380,018.32, 524,417.19 and 207,935.61 is: 286,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,018.32 : 524,417.19 = 207,935.61 : x
  2. Step 2: Convert to fraction form
    380,018.32/524,417.19 = 207,935.61/x
  3. Step 3: Cross multiply
    380,018.32x = 524,417.19 × 207,935.61
  4. Step 4: Simplify right side
    380,018.32x = 109,045,005,550.81
  5. Step 5: Solve for x
    x = 109,045,005,550.81/380,018.32
  6. Step 6: Final answer
    x = 286,946.71

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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.