Home / 282,983.07-390,572.09-162,205.25

Finding the Fourth Proportional to 282,983.07, 390,572.09 and 162,205.25

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Solution

The fourth proportional to 282,983.07, 390,572.09 and 162,205.25 is: 223,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,983.07 : 390,572.09 = 162,205.25 : x
  2. Step 2: Convert to fraction form
    282,983.07/390,572.09 = 162,205.25/x
  3. Step 3: Cross multiply
    282,983.07x = 390,572.09 × 162,205.25
  4. Step 4: Simplify right side
    282,983.07x = 63,352,840,737.59
  5. Step 5: Solve for x
    x = 63,352,840,737.59/282,983.07
  6. Step 6: Final answer
    x = 223,875.02

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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.