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Finding the Fourth Proportional to 382,957.52, 528,460.67 and 210,841.97

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Solution

The fourth proportional to 382,957.52, 528,460.67 and 210,841.97 is: 290,950.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,957.52 : 528,460.67 = 210,841.97 : x
  2. Step 2: Convert to fraction form
    382,957.52/528,460.67 = 210,841.97/x
  3. Step 3: Cross multiply
    382,957.52x = 528,460.67 × 210,841.97
  4. Step 4: Simplify right side
    382,957.52x = 111,421,686,615.12
  5. Step 5: Solve for x
    x = 111,421,686,615.12/382,957.52
  6. Step 6: Final answer
    x = 290,950.52

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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.