Home / 291,541.61-402,189.91-170,608.07

Finding the Fourth Proportional to 291,541.61, 402,189.91 and 170,608.07

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Solution

The fourth proportional to 291,541.61, 402,189.91 and 170,608.07 is: 235,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,541.61 : 402,189.91 = 170,608.07 : x
  2. Step 2: Convert to fraction form
    291,541.61/402,189.91 = 170,608.07/x
  3. Step 3: Cross multiply
    291,541.61x = 402,189.91 × 170,608.07
  4. Step 4: Simplify right side
    291,541.61x = 68,616,844,897.53
  5. Step 5: Solve for x
    x = 68,616,844,897.53/291,541.61
  6. Step 6: Final answer
    x = 235,358.67

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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.