Home / 355,461.16-533,084.10-186,890.62

Finding the Fourth Proportional to 355,461.16, 533,084.10 and 186,890.62

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Solution

The fourth proportional to 355,461.16, 533,084.10 and 186,890.62 is: 280,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,461.16 : 533,084.10 = 186,890.62 : x
  2. Step 2: Convert to fraction form
    355,461.16/533,084.10 = 186,890.62/x
  3. Step 3: Cross multiply
    355,461.16x = 533,084.10 × 186,890.62
  4. Step 4: Simplify right side
    355,461.16x = 99,628,417,961.14
  5. Step 5: Solve for x
    x = 99,628,417,961.14/355,461.16
  6. Step 6: Final answer
    x = 280,279.34

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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.