Home / 282,708.06-390,140.13-153,646.54

Finding the Fourth Proportional to 282,708.06, 390,140.13 and 153,646.54

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Solution

The fourth proportional to 282,708.06, 390,140.13 and 153,646.54 is: 212,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,708.06 : 390,140.13 = 153,646.54 : x
  2. Step 2: Convert to fraction form
    282,708.06/390,140.13 = 153,646.54/x
  3. Step 3: Cross multiply
    282,708.06x = 390,140.13 × 153,646.54
  4. Step 4: Simplify right side
    282,708.06x = 59,943,681,089.65
  5. Step 5: Solve for x
    x = 59,943,681,089.65/282,708.06
  6. Step 6: Final answer
    x = 212,033.86

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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.