Home / 468,276.19-646,222.73-253,416.20

Finding the Fourth Proportional to 468,276.19, 646,222.73 and 253,416.20

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Solution

The fourth proportional to 468,276.19, 646,222.73 and 253,416.20 is: 349,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,276.19 : 646,222.73 = 253,416.20 : x
  2. Step 2: Convert to fraction form
    468,276.19/646,222.73 = 253,416.20/x
  3. Step 3: Cross multiply
    468,276.19x = 646,222.73 × 253,416.20
  4. Step 4: Simplify right side
    468,276.19x = 163,763,304,092.03
  5. Step 5: Solve for x
    x = 163,763,304,092.03/468,276.19
  6. Step 6: Final answer
    x = 349,715.21

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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.