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Finding the Fourth Proportional to 342,527.49, 513,840.51 and 105,888.69

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Solution

The fourth proportional to 342,527.49, 513,840.51 and 105,888.69 is: 158,848.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,527.49 : 513,840.51 = 105,888.69 : x
  2. Step 2: Convert to fraction form
    342,527.49/513,840.51 = 105,888.69/x
  3. Step 3: Cross multiply
    342,527.49x = 513,840.51 × 105,888.69
  4. Step 4: Simplify right side
    342,527.49x = 54,409,898,472.83
  5. Step 5: Solve for x
    x = 54,409,898,472.83/342,527.49
  6. Step 6: Final answer
    x = 158,848.27

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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.