Home / 313,420.20-432,507.72-170,176.96

Finding the Fourth Proportional to 313,420.20, 432,507.72 and 170,176.96

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Solution

The fourth proportional to 313,420.20, 432,507.72 and 170,176.96 is: 234,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,420.20 : 432,507.72 = 170,176.96 : x
  2. Step 2: Convert to fraction form
    313,420.20/432,507.72 = 170,176.96/x
  3. Step 3: Cross multiply
    313,420.20x = 432,507.72 × 170,176.96
  4. Step 4: Simplify right side
    313,420.20x = 73,602,848,966.13
  5. Step 5: Solve for x
    x = 73,602,848,966.13/313,420.20
  6. Step 6: Final answer
    x = 234,837.60

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1.5x scale

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.