Home / 212,332.84-318,545.34-64,585

Finding the Fourth Proportional to 212,332.84, 318,545.34 and 64,585

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Solution

The fourth proportional to 212,332.84, 318,545.34 and 64,585 is: 96,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,332.84 : 318,545.34 = 64,585 : x
  2. Step 2: Convert to fraction form
    212,332.84/318,545.34 = 64,585/x
  3. Step 3: Cross multiply
    212,332.84x = 318,545.34 × 64,585
  4. Step 4: Simplify right side
    212,332.84x = 20,573,250,783.90
  5. Step 5: Solve for x
    x = 20,573,250,783.90/212,332.84
  6. Step 6: Final answer
    x = 96,891.52

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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.