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Finding the Fourth Proportional to 264,842.70, 397,264.05 and 235,812.30

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Solution

The fourth proportional to 264,842.70, 397,264.05 and 235,812.30 is: 353,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,842.70 : 397,264.05 = 235,812.30 : x
  2. Step 2: Convert to fraction form
    264,842.70/397,264.05 = 235,812.30/x
  3. Step 3: Cross multiply
    264,842.70x = 397,264.05 × 235,812.30
  4. Step 4: Simplify right side
    264,842.70x = 93,679,749,337.82
  5. Step 5: Solve for x
    x = 93,679,749,337.82/264,842.70
  6. Step 6: Final answer
    x = 353,718.45

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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.