Home / 313,435.32-432,529.56-170,192.40

Finding the Fourth Proportional to 313,435.32, 432,529.56 and 170,192.40

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Solution

The fourth proportional to 313,435.32, 432,529.56 and 170,192.40 is: 234,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,435.32 : 432,529.56 = 170,192.40 : x
  2. Step 2: Convert to fraction form
    313,435.32/432,529.56 = 170,192.40/x
  3. Step 3: Cross multiply
    313,435.32x = 432,529.56 × 170,192.40
  4. Step 4: Simplify right side
    313,435.32x = 73,613,243,887.34
  5. Step 5: Solve for x
    x = 73,613,243,887.34/313,435.32
  6. Step 6: Final answer
    x = 234,859.44

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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.