Home / 313,278.16-432,317-170,038.48

Finding the Fourth Proportional to 313,278.16, 432,317 and 170,038.48

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Solution

The fourth proportional to 313,278.16, 432,317 and 170,038.48 is: 234,649.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,278.16 : 432,317 = 170,038.48 : x
  2. Step 2: Convert to fraction form
    313,278.16/432,317 = 170,038.48/x
  3. Step 3: Cross multiply
    313,278.16x = 432,317 × 170,038.48
  4. Step 4: Simplify right side
    313,278.16x = 73,510,525,558.16
  5. Step 5: Solve for x
    x = 73,510,525,558.16/313,278.16
  6. Step 6: Final answer
    x = 234,649.38

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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.