Home / 294,686.18-442,159.95-154,411.46

Finding the Fourth Proportional to 294,686.18, 442,159.95 and 154,411.46

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Solution

The fourth proportional to 294,686.18, 442,159.95 and 154,411.46 is: 231,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,686.18 : 442,159.95 = 154,411.46 : x
  2. Step 2: Convert to fraction form
    294,686.18/442,159.95 = 154,411.46/x
  3. Step 3: Cross multiply
    294,686.18x = 442,159.95 × 154,411.46
  4. Step 4: Simplify right side
    294,686.18x = 68,274,563,433.03
  5. Step 5: Solve for x
    x = 68,274,563,433.03/294,686.18
  6. Step 6: Final answer
    x = 231,685.66

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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.