Home / 313,289.10-432,337.50-170,047.89

Finding the Fourth Proportional to 313,289.10, 432,337.50 and 170,047.89

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Solution

The fourth proportional to 313,289.10, 432,337.50 and 170,047.89 is: 234,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,289.10 : 432,337.50 = 170,047.89 : x
  2. Step 2: Convert to fraction form
    313,289.10/432,337.50 = 170,047.89/x
  3. Step 3: Cross multiply
    313,289.10x = 432,337.50 × 170,047.89
  4. Step 4: Simplify right side
    313,289.10x = 73,518,079,642.88
  5. Step 5: Solve for x
    x = 73,518,079,642.88/313,289.10
  6. Step 6: Final answer
    x = 234,665.30

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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.