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Finding the Fourth Proportional to 369,545.08, 509,970.10 and 208,401.52

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Solution

The fourth proportional to 369,545.08, 509,970.10 and 208,401.52 is: 287,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,545.08 : 509,970.10 = 208,401.52 : x
  2. Step 2: Convert to fraction form
    369,545.08/509,970.10 = 208,401.52/x
  3. Step 3: Cross multiply
    369,545.08x = 509,970.10 × 208,401.52
  4. Step 4: Simplify right side
    369,545.08x = 106,278,543,994.55
  5. Step 5: Solve for x
    x = 106,278,543,994.55/369,545.08
  6. Step 6: Final answer
    x = 287,592.91

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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.