Home / 249,045.40-343,681-141,615.44

Finding the Fourth Proportional to 249,045.40, 343,681 and 141,615.44

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Solution

The fourth proportional to 249,045.40, 343,681 and 141,615.44 is: 195,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,045.40 : 343,681 = 141,615.44 : x
  2. Step 2: Convert to fraction form
    249,045.40/343,681 = 141,615.44/x
  3. Step 3: Cross multiply
    249,045.40x = 343,681 × 141,615.44
  4. Step 4: Simplify right side
    249,045.40x = 48,670,536,034.64
  5. Step 5: Solve for x
    x = 48,670,536,034.64/249,045.40
  6. Step 6: Final answer
    x = 195,428.37

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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.