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Finding the Fourth Proportional to 468,469.04, 646,487.48 and 253,609.08

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Solution

The fourth proportional to 468,469.04, 646,487.48 and 253,609.08 is: 349,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,469.04 : 646,487.48 = 253,609.08 : x
  2. Step 2: Convert to fraction form
    468,469.04/646,487.48 = 253,609.08/x
  3. Step 3: Cross multiply
    468,469.04x = 646,487.48 × 253,609.08
  4. Step 4: Simplify right side
    468,469.04x = 163,955,095,034.32
  5. Step 5: Solve for x
    x = 163,955,095,034.32/468,469.04
  6. Step 6: Final answer
    x = 349,980.64

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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.