Home / 282,926.43-390,441.09-153,866.13

Finding the Fourth Proportional to 282,926.43, 390,441.09 and 153,866.13

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Solution

The fourth proportional to 282,926.43, 390,441.09 and 153,866.13 is: 212,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,926.43 : 390,441.09 = 153,866.13 : x
  2. Step 2: Convert to fraction form
    282,926.43/390,441.09 = 153,866.13/x
  3. Step 3: Cross multiply
    282,926.43x = 390,441.09 × 153,866.13
  4. Step 4: Simplify right side
    282,926.43x = 60,075,659,511.28
  5. Step 5: Solve for x
    x = 60,075,659,511.28/282,926.43
  6. Step 6: Final answer
    x = 212,336.68

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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.