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Finding the Fourth Proportional to 458,299.81, 632,460.67 and 254,363.94

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Solution

The fourth proportional to 458,299.81, 632,460.67 and 254,363.94 is: 351,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,299.81 : 632,460.67 = 254,363.94 : x
  2. Step 2: Convert to fraction form
    458,299.81/632,460.67 = 254,363.94/x
  3. Step 3: Cross multiply
    458,299.81x = 632,460.67 × 254,363.94
  4. Step 4: Simplify right side
    458,299.81x = 160,875,185,862.47
  5. Step 5: Solve for x
    x = 160,875,185,862.47/458,299.81
  6. Step 6: Final answer
    x = 351,026.08

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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.