Home / 282,948.10-390,466.49-160,463.64

Finding the Fourth Proportional to 282,948.10, 390,466.49 and 160,463.64

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Solution

The fourth proportional to 282,948.10, 390,466.49 and 160,463.64 is: 221,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,948.10 : 390,466.49 = 160,463.64 : x
  2. Step 2: Convert to fraction form
    282,948.10/390,466.49 = 160,463.64/x
  3. Step 3: Cross multiply
    282,948.10x = 390,466.49 × 160,463.64
  4. Step 4: Simplify right side
    282,948.10x = 62,655,674,283.42
  5. Step 5: Solve for x
    x = 62,655,674,283.42/282,948.10
  6. Step 6: Final answer
    x = 221,438.75

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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.