Home / 320,326.76-442,155.94-224,856.92

Finding the Fourth Proportional to 320,326.76, 442,155.94 and 224,856.92

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Solution

The fourth proportional to 320,326.76, 442,155.94 and 224,856.92 is: 310,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,326.76 : 442,155.94 = 224,856.92 : x
  2. Step 2: Convert to fraction form
    320,326.76/442,155.94 = 224,856.92/x
  3. Step 3: Cross multiply
    320,326.76x = 442,155.94 × 224,856.92
  4. Step 4: Simplify right side
    320,326.76x = 99,421,822,828.10
  5. Step 5: Solve for x
    x = 99,421,822,828.10/320,326.76
  6. Step 6: Final answer
    x = 310,376.26

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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.