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Finding the Fourth Proportional to 249,307, 343,869.06 and 168,699.04

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Solution

The fourth proportional to 249,307, 343,869.06 and 168,699.04 is: 232,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,307 : 343,869.06 = 168,699.04 : x
  2. Step 2: Convert to fraction form
    249,307/343,869.06 = 168,699.04/x
  3. Step 3: Cross multiply
    249,307x = 343,869.06 × 168,699.04
  4. Step 4: Simplify right side
    249,307x = 58,010,380,307.70
  5. Step 5: Solve for x
    x = 58,010,380,307.70/249,307
  6. Step 6: Final answer
    x = 232,686.53

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1.5x scale

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.