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Finding the Fourth Proportional to 434,280.64, 599,304 and 243,295.60

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Solution

The fourth proportional to 434,280.64, 599,304 and 243,295.60 is: 335,746.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,280.64 : 599,304 = 243,295.60 : x
  2. Step 2: Convert to fraction form
    434,280.64/599,304 = 243,295.60/x
  3. Step 3: Cross multiply
    434,280.64x = 599,304 × 243,295.60
  4. Step 4: Simplify right side
    434,280.64x = 145,808,026,262.40
  5. Step 5: Solve for x
    x = 145,808,026,262.40/434,280.64
  6. Step 6: Final answer
    x = 335,746.09

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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.