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Finding the Fourth Proportional to 450,003.60, 675,005.40 and 291,373.20

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Solution

The fourth proportional to 450,003.60, 675,005.40 and 291,373.20 is: 437,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,003.60 : 675,005.40 = 291,373.20 : x
  2. Step 2: Convert to fraction form
    450,003.60/675,005.40 = 291,373.20/x
  3. Step 3: Cross multiply
    450,003.60x = 675,005.40 × 291,373.20
  4. Step 4: Simplify right side
    450,003.60x = 196,678,483,415.28
  5. Step 5: Solve for x
    x = 196,678,483,415.28/450,003.60
  6. Step 6: Final answer
    x = 437,059.80

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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.