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Finding the Fourth Proportional to 352,343.17, 528,339.52 and 112,425.63

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Solution

The fourth proportional to 352,343.17, 528,339.52 and 112,425.63 is: 168,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,343.17 : 528,339.52 = 112,425.63 : x
  2. Step 2: Convert to fraction form
    352,343.17/528,339.52 = 112,425.63/x
  3. Step 3: Cross multiply
    352,343.17x = 528,339.52 × 112,425.63
  4. Step 4: Simplify right side
    352,343.17x = 59,398,903,389.90
  5. Step 5: Solve for x
    x = 59,398,903,389.90/352,343.17
  6. Step 6: Final answer
    x = 168,582.53

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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.