Home / 307,868.40-424,955.16-180,595.44

Finding the Fourth Proportional to 307,868.40, 424,955.16 and 180,595.44

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Solution

The fourth proportional to 307,868.40, 424,955.16 and 180,595.44 is: 249,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,868.40 : 424,955.16 = 180,595.44 : x
  2. Step 2: Convert to fraction form
    307,868.40/424,955.16 = 180,595.44/x
  3. Step 3: Cross multiply
    307,868.40x = 424,955.16 × 180,595.44
  4. Step 4: Simplify right side
    307,868.40x = 76,744,964,100.47
  5. Step 5: Solve for x
    x = 76,744,964,100.47/307,868.40
  6. Step 6: Final answer
    x = 249,278.47

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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.