Home / 396,005.50-546,264.03-234,702.10

Finding the Fourth Proportional to 396,005.50, 546,264.03 and 234,702.10

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Solution

The fourth proportional to 396,005.50, 546,264.03 and 234,702.10 is: 323,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,005.50 : 546,264.03 = 234,702.10 : x
  2. Step 2: Convert to fraction form
    396,005.50/546,264.03 = 234,702.10/x
  3. Step 3: Cross multiply
    396,005.50x = 546,264.03 × 234,702.10
  4. Step 4: Simplify right side
    396,005.50x = 128,209,314,995.46
  5. Step 5: Solve for x
    x = 128,209,314,995.46/396,005.50
  6. Step 6: Final answer
    x = 323,756.40

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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.