Home / 282,838.53-423,689.69-130,822.64

Finding the Fourth Proportional to 282,838.53, 423,689.69 and 130,822.64

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Solution

The fourth proportional to 282,838.53, 423,689.69 and 130,822.64 is: 195,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,838.53 : 423,689.69 = 130,822.64 : x
  2. Step 2: Convert to fraction form
    282,838.53/423,689.69 = 130,822.64/x
  3. Step 3: Cross multiply
    282,838.53x = 423,689.69 × 130,822.64
  4. Step 4: Simplify right side
    282,838.53x = 55,428,205,231.40
  5. Step 5: Solve for x
    x = 55,428,205,231.40/282,838.53
  6. Step 6: Final answer
    x = 195,971.19

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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.