Home / 313,622.19-432,803.90-170,382.35

Finding the Fourth Proportional to 313,622.19, 432,803.90 and 170,382.35

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Solution

The fourth proportional to 313,622.19, 432,803.90 and 170,382.35 is: 235,130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,622.19 : 432,803.90 = 170,382.35 : x
  2. Step 2: Convert to fraction form
    313,622.19/432,803.90 = 170,382.35/x
  3. Step 3: Cross multiply
    313,622.19x = 432,803.90 × 170,382.35
  4. Step 4: Simplify right side
    313,622.19x = 73,742,145,571.17
  5. Step 5: Solve for x
    x = 73,742,145,571.17/313,622.19
  6. Step 6: Final answer
    x = 235,130.51

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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.