Home / 282,927.34-390,447.13-155,606.28

Finding the Fourth Proportional to 282,927.34, 390,447.13 and 155,606.28

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Solution

The fourth proportional to 282,927.34, 390,447.13 and 155,606.28 is: 214,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,927.34 : 390,447.13 = 155,606.28 : x
  2. Step 2: Convert to fraction form
    282,927.34/390,447.13 = 155,606.28/x
  3. Step 3: Cross multiply
    282,927.34x = 390,447.13 × 155,606.28
  4. Step 4: Simplify right side
    282,927.34x = 60,756,025,435.98
  5. Step 5: Solve for x
    x = 60,756,025,435.98/282,927.34
  6. Step 6: Final answer
    x = 214,740.74

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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.