Home / 282,799.29-390,264.03-155,482.95

Finding the Fourth Proportional to 282,799.29, 390,264.03 and 155,482.95

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Solution

The fourth proportional to 282,799.29, 390,264.03 and 155,482.95 is: 214,567.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,799.29 : 390,264.03 = 155,482.95 : x
  2. Step 2: Convert to fraction form
    282,799.29/390,264.03 = 155,482.95/x
  3. Step 3: Cross multiply
    282,799.29x = 390,264.03 × 155,482.95
  4. Step 4: Simplify right side
    282,799.29x = 60,679,402,663.29
  5. Step 5: Solve for x
    x = 60,679,402,663.29/282,799.29
  6. Step 6: Final answer
    x = 214,567.03

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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.