Home / 344,631.28-475,518.18-208,638.76

Finding the Fourth Proportional to 344,631.28, 475,518.18 and 208,638.76

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Solution

The fourth proportional to 344,631.28, 475,518.18 and 208,638.76 is: 287,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,631.28 : 475,518.18 = 208,638.76 : x
  2. Step 2: Convert to fraction form
    344,631.28/475,518.18 = 208,638.76/x
  3. Step 3: Cross multiply
    344,631.28x = 475,518.18 × 208,638.76
  4. Step 4: Simplify right side
    344,631.28x = 99,211,523,432.66
  5. Step 5: Solve for x
    x = 99,211,523,432.66/344,631.28
  6. Step 6: Final answer
    x = 287,877.30

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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.