Home / 313,416.08-432,502.05-170,172.84

Finding the Fourth Proportional to 313,416.08, 432,502.05 and 170,172.84

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Solution

The fourth proportional to 313,416.08, 432,502.05 and 170,172.84 is: 234,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,416.08 : 432,502.05 = 170,172.84 : x
  2. Step 2: Convert to fraction form
    313,416.08/432,502.05 = 170,172.84/x
  3. Step 3: Cross multiply
    313,416.08x = 432,502.05 × 170,172.84
  4. Step 4: Simplify right side
    313,416.08x = 73,600,102,154.32
  5. Step 5: Solve for x
    x = 73,600,102,154.32/313,416.08
  6. Step 6: Final answer
    x = 234,831.93

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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.