Home / 313,271.55-432,315.15-170,031.60

Finding the Fourth Proportional to 313,271.55, 432,315.15 and 170,031.60

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Solution

The fourth proportional to 313,271.55, 432,315.15 and 170,031.60 is: 234,643.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,271.55 : 432,315.15 = 170,031.60 : x
  2. Step 2: Convert to fraction form
    313,271.55/432,315.15 = 170,031.60/x
  3. Step 3: Cross multiply
    313,271.55x = 432,315.15 × 170,031.60
  4. Step 4: Simplify right side
    313,271.55x = 73,507,236,658.74
  5. Step 5: Solve for x
    x = 73,507,236,658.74/313,271.55
  6. Step 6: Final answer
    x = 234,643.83

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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.