Home / 290,281.86-435,581.28-112,795.74

Finding the Fourth Proportional to 290,281.86, 435,581.28 and 112,795.74

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Solution

The fourth proportional to 290,281.86, 435,581.28 and 112,795.74 is: 169,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,281.86 : 435,581.28 = 112,795.74 : x
  2. Step 2: Convert to fraction form
    290,281.86/435,581.28 = 112,795.74/x
  3. Step 3: Cross multiply
    290,281.86x = 435,581.28 × 112,795.74
  4. Step 4: Simplify right side
    290,281.86x = 49,131,712,807.75
  5. Step 5: Solve for x
    x = 49,131,712,807.75/290,281.86
  6. Step 6: Final answer
    x = 169,255.19

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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.