Home / 282,876.29-390,368.75-162,056.69

Finding the Fourth Proportional to 282,876.29, 390,368.75 and 162,056.69

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Solution

The fourth proportional to 282,876.29, 390,368.75 and 162,056.69 is: 223,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,876.29 : 390,368.75 = 162,056.69 : x
  2. Step 2: Convert to fraction form
    282,876.29/390,368.75 = 162,056.69/x
  3. Step 3: Cross multiply
    282,876.29x = 390,368.75 × 162,056.69
  4. Step 4: Simplify right side
    282,876.29x = 63,261,866,694.15
  5. Step 5: Solve for x
    x = 63,261,866,694.15/282,876.29
  6. Step 6: Final answer
    x = 223,637.93

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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.