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Finding the Fourth Proportional to 433,310, 597,962.76 and 242,321.60

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Solution

The fourth proportional to 433,310, 597,962.76 and 242,321.60 is: 334,400.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,310 : 597,962.76 = 242,321.60 : x
  2. Step 2: Convert to fraction form
    433,310/597,962.76 = 242,321.60/x
  3. Step 3: Cross multiply
    433,310x = 597,962.76 × 242,321.60
  4. Step 4: Simplify right side
    433,310x = 144,899,292,743.62
  5. Step 5: Solve for x
    x = 144,899,292,743.62/433,310
  6. Step 6: Final answer
    x = 334,400.99

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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.