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Finding the Fourth Proportional to 245,381.60, 366,281.60 and 210,545.12

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Solution

The fourth proportional to 245,381.60, 366,281.60 and 210,545.12 is: 314,281.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,381.60 : 366,281.60 = 210,545.12 : x
  2. Step 2: Convert to fraction form
    245,381.60/366,281.60 = 210,545.12/x
  3. Step 3: Cross multiply
    245,381.60x = 366,281.60 × 210,545.12
  4. Step 4: Simplify right side
    245,381.60x = 77,118,803,425.79
  5. Step 5: Solve for x
    x = 77,118,803,425.79/245,381.60
  6. Step 6: Final answer
    x = 314,281.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.