Home / 249,211.40-343,899.72-141,771.32

Finding the Fourth Proportional to 249,211.40, 343,899.72 and 141,771.32

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Solution

The fourth proportional to 249,211.40, 343,899.72 and 141,771.32 is: 195,637.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,211.40 : 343,899.72 = 141,771.32 : x
  2. Step 2: Convert to fraction form
    249,211.40/343,899.72 = 141,771.32/x
  3. Step 3: Cross multiply
    249,211.40x = 343,899.72 × 141,771.32
  4. Step 4: Simplify right side
    249,211.40x = 48,755,117,252.03
  5. Step 5: Solve for x
    x = 48,755,117,252.03/249,211.40
  6. Step 6: Final answer
    x = 195,637.59

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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.