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Finding the Fourth Proportional to 347,349.60, 521,024.40 and 235,083.60

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Solution

The fourth proportional to 347,349.60, 521,024.40 and 235,083.60 is: 352,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,349.60 : 521,024.40 = 235,083.60 : x
  2. Step 2: Convert to fraction form
    347,349.60/521,024.40 = 235,083.60/x
  3. Step 3: Cross multiply
    347,349.60x = 521,024.40 × 235,083.60
  4. Step 4: Simplify right side
    347,349.60x = 122,484,291,639.84
  5. Step 5: Solve for x
    x = 122,484,291,639.84/347,349.60
  6. Step 6: Final answer
    x = 352,625.40

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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.