Home / 390,106.49-584,993.57-153,283.04

Finding the Fourth Proportional to 390,106.49, 584,993.57 and 153,283.04

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Solution

The fourth proportional to 390,106.49, 584,993.57 and 153,283.04 is: 229,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,106.49 : 584,993.57 = 153,283.04 : x
  2. Step 2: Convert to fraction form
    390,106.49/584,993.57 = 153,283.04/x
  3. Step 3: Cross multiply
    390,106.49x = 584,993.57 × 153,283.04
  4. Step 4: Simplify right side
    390,106.49x = 89,669,589,098.67
  5. Step 5: Solve for x
    x = 89,669,589,098.67/390,106.49
  6. Step 6: Final answer
    x = 229,859.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.