Home / 310,929.57-466,099.11-121,511.45

Finding the Fourth Proportional to 310,929.57, 466,099.11 and 121,511.45

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Solution

The fourth proportional to 310,929.57, 466,099.11 and 121,511.45 is: 182,151.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,929.57 : 466,099.11 = 121,511.45 : x
  2. Step 2: Convert to fraction form
    310,929.57/466,099.11 = 121,511.45/x
  3. Step 3: Cross multiply
    310,929.57x = 466,099.11 × 121,511.45
  4. Step 4: Simplify right side
    310,929.57x = 56,636,376,369.31
  5. Step 5: Solve for x
    x = 56,636,376,369.31/310,929.57
  6. Step 6: Final answer
    x = 182,151.79

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1.5x scale

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.