Home / 282,756.02-390,206.07-153,694.42

Finding the Fourth Proportional to 282,756.02, 390,206.07 and 153,694.42

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Solution

The fourth proportional to 282,756.02, 390,206.07 and 153,694.42 is: 212,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,756.02 : 390,206.07 = 153,694.42 : x
  2. Step 2: Convert to fraction form
    282,756.02/390,206.07 = 153,694.42/x
  3. Step 3: Cross multiply
    282,756.02x = 390,206.07 × 153,694.42
  4. Step 4: Simplify right side
    282,756.02x = 59,972,493,658.10
  5. Step 5: Solve for x
    x = 59,972,493,658.10/282,756.02
  6. Step 6: Final answer
    x = 212,099.79

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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.