Home / 615,349.10-923,131.98-210,446.12

Finding the Fourth Proportional to 615,349.10, 923,131.98 and 210,446.12

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Solution

The fourth proportional to 615,349.10, 923,131.98 and 210,446.12 is: 315,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,349.10 : 923,131.98 = 210,446.12 : x
  2. Step 2: Convert to fraction form
    615,349.10/923,131.98 = 210,446.12/x
  3. Step 3: Cross multiply
    615,349.10x = 923,131.98 × 210,446.12
  4. Step 4: Simplify right side
    615,349.10x = 194,269,538,823.26
  5. Step 5: Solve for x
    x = 194,269,538,823.26/615,349.10
  6. Step 6: Final answer
    x = 315,706.22

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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.