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Finding the Fourth Proportional to 341,320.80, 510,814.80 and 299,330.40

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Solution

The fourth proportional to 341,320.80, 510,814.80 and 299,330.40 is: 447,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,320.80 : 510,814.80 = 299,330.40 : x
  2. Step 2: Convert to fraction form
    341,320.80/510,814.80 = 299,330.40/x
  3. Step 3: Cross multiply
    341,320.80x = 510,814.80 × 299,330.40
  4. Step 4: Simplify right side
    341,320.80x = 152,902,398,409.92
  5. Step 5: Solve for x
    x = 152,902,398,409.92/341,320.80
  6. Step 6: Final answer
    x = 447,972.69

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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.