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Finding the Fourth Proportional to 369,808.74, 510,247.96 and 255,050.70

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Solution

The fourth proportional to 369,808.74, 510,247.96 and 255,050.70 is: 351,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,808.74 : 510,247.96 = 255,050.70 : x
  2. Step 2: Convert to fraction form
    369,808.74/510,247.96 = 255,050.70/x
  3. Step 3: Cross multiply
    369,808.74x = 510,247.96 × 255,050.70
  4. Step 4: Simplify right side
    369,808.74x = 130,139,099,371.57
  5. Step 5: Solve for x
    x = 130,139,099,371.57/369,808.74
  6. Step 6: Final answer
    x = 351,909.20

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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.