Home / 438,669.42-658,004.16-158,186.67

Finding the Fourth Proportional to 438,669.42, 658,004.16 and 158,186.67

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Solution

The fourth proportional to 438,669.42, 658,004.16 and 158,186.67 is: 237,280.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,669.42 : 658,004.16 = 158,186.67 : x
  2. Step 2: Convert to fraction form
    438,669.42/658,004.16 = 158,186.67/x
  3. Step 3: Cross multiply
    438,669.42x = 658,004.16 × 158,186.67
  4. Step 4: Simplify right side
    438,669.42x = 104,087,487,853.71
  5. Step 5: Solve for x
    x = 104,087,487,853.71/438,669.42
  6. Step 6: Final answer
    x = 237,280.02

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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.