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Finding the Fourth Proportional to 458,259.88, 632,376.28 and 254,308.36

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Solution

The fourth proportional to 458,259.88, 632,376.28 and 254,308.36 is: 350,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,259.88 : 632,376.28 = 254,308.36 : x
  2. Step 2: Convert to fraction form
    458,259.88/632,376.28 = 254,308.36/x
  3. Step 3: Cross multiply
    458,259.88x = 632,376.28 × 254,308.36
  4. Step 4: Simplify right side
    458,259.88x = 160,818,574,669.70
  5. Step 5: Solve for x
    x = 160,818,574,669.70/458,259.88
  6. Step 6: Final answer
    x = 350,933.13

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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.