Home / 292,916.51-439,216.70-132,905.13

Finding the Fourth Proportional to 292,916.51, 439,216.70 and 132,905.13

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Solution

The fourth proportional to 292,916.51, 439,216.70 and 132,905.13 is: 199,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,916.51 : 439,216.70 = 132,905.13 : x
  2. Step 2: Convert to fraction form
    292,916.51/439,216.70 = 132,905.13/x
  3. Step 3: Cross multiply
    292,916.51x = 439,216.70 × 132,905.13
  4. Step 4: Simplify right side
    292,916.51x = 58,374,151,947.15
  5. Step 5: Solve for x
    x = 58,374,151,947.15/292,916.51
  6. Step 6: Final answer
    x = 199,285.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.