Home / 282,827.17-390,190.53-161,903.53

Finding the Fourth Proportional to 282,827.17, 390,190.53 and 161,903.53

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Solution

The fourth proportional to 282,827.17, 390,190.53 and 161,903.53 is: 223,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,827.17 : 390,190.53 = 161,903.53 : x
  2. Step 2: Convert to fraction form
    282,827.17/390,190.53 = 161,903.53/x
  3. Step 3: Cross multiply
    282,827.17x = 390,190.53 × 161,903.53
  4. Step 4: Simplify right side
    282,827.17x = 63,173,224,179.57
  5. Step 5: Solve for x
    x = 63,173,224,179.57/282,827.17
  6. Step 6: Final answer
    x = 223,363.35

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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.