Home / 313,631.95-432,809.77-170,393.17

Finding the Fourth Proportional to 313,631.95, 432,809.77 and 170,393.17

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Solution

The fourth proportional to 313,631.95, 432,809.77 and 170,393.17 is: 235,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,631.95 : 432,809.77 = 170,393.17 : x
  2. Step 2: Convert to fraction form
    313,631.95/432,809.77 = 170,393.17/x
  3. Step 3: Cross multiply
    313,631.95x = 432,809.77 × 170,393.17
  4. Step 4: Simplify right side
    313,631.95x = 73,747,828,717.27
  5. Step 5: Solve for x
    x = 73,747,828,717.27/313,631.95
  6. Step 6: Final answer
    x = 235,141.31

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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.