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Finding the Fourth Proportional to 249,355.34, 374,586.61 and 154,655.52

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Solution

The fourth proportional to 249,355.34, 374,586.61 and 154,655.52 is: 232,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,355.34 : 374,586.61 = 154,655.52 : x
  2. Step 2: Convert to fraction form
    249,355.34/374,586.61 = 154,655.52/x
  3. Step 3: Cross multiply
    249,355.34x = 374,586.61 × 154,655.52
  4. Step 4: Simplify right side
    249,355.34x = 57,931,884,695.02
  5. Step 5: Solve for x
    x = 57,931,884,695.02/249,355.34
  6. Step 6: Final answer
    x = 232,326.63

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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.