Home / 282,962.19-390,372.60-160,428.77

Finding the Fourth Proportional to 282,962.19, 390,372.60 and 160,428.77

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Solution

The fourth proportional to 282,962.19, 390,372.60 and 160,428.77 is: 221,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,962.19 : 390,372.60 = 160,428.77 : x
  2. Step 2: Convert to fraction form
    282,962.19/390,372.60 = 160,428.77/x
  3. Step 3: Cross multiply
    282,962.19x = 390,372.60 × 160,428.77
  4. Step 4: Simplify right side
    282,962.19x = 62,626,995,270.93
  5. Step 5: Solve for x
    x = 62,626,995,270.93/282,962.19
  6. Step 6: Final answer
    x = 221,326.37

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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.