Home / 313,541.52-432,688.53-170,303.95

Finding the Fourth Proportional to 313,541.52, 432,688.53 and 170,303.95

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Solution

The fourth proportional to 313,541.52, 432,688.53 and 170,303.95 is: 235,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,541.52 : 432,688.53 = 170,303.95 : x
  2. Step 2: Convert to fraction form
    313,541.52/432,688.53 = 170,303.95/x
  3. Step 3: Cross multiply
    313,541.52x = 432,688.53 × 170,303.95
  4. Step 4: Simplify right side
    313,541.52x = 73,688,565,778.69
  5. Step 5: Solve for x
    x = 73,688,565,778.69/313,541.52
  6. Step 6: Final answer
    x = 235,020.12

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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.