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Finding the Fourth Proportional to 240,649.84, 360,795.85 and 145,856.76

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Solution

The fourth proportional to 240,649.84, 360,795.85 and 145,856.76 is: 218,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,649.84 : 360,795.85 = 145,856.76 : x
  2. Step 2: Convert to fraction form
    240,649.84/360,795.85 = 145,856.76/x
  3. Step 3: Cross multiply
    240,649.84x = 360,795.85 × 145,856.76
  4. Step 4: Simplify right side
    240,649.84x = 52,624,513,702.45
  5. Step 5: Solve for x
    x = 52,624,513,702.45/240,649.84
  6. Step 6: Final answer
    x = 218,676.70

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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.