Home / 282,561.72-390,037.48-187,099.16

Finding the Fourth Proportional to 282,561.72, 390,037.48 and 187,099.16

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Solution

The fourth proportional to 282,561.72, 390,037.48 and 187,099.16 is: 258,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,561.72 : 390,037.48 = 187,099.16 : x
  2. Step 2: Convert to fraction form
    282,561.72/390,037.48 = 187,099.16/x
  3. Step 3: Cross multiply
    282,561.72x = 390,037.48 × 187,099.16
  4. Step 4: Simplify right side
    282,561.72x = 72,975,684,876.52
  5. Step 5: Solve for x
    x = 72,975,684,876.52/282,561.72
  6. Step 6: Final answer
    x = 258,264.58

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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.