Home / 313,272.15-432,316.06-170,032.25

Finding the Fourth Proportional to 313,272.15, 432,316.06 and 170,032.25

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Solution

The fourth proportional to 313,272.15, 432,316.06 and 170,032.25 is: 234,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,272.15 : 432,316.06 = 170,032.25 : x
  2. Step 2: Convert to fraction form
    313,272.15/432,316.06 = 170,032.25/x
  3. Step 3: Cross multiply
    313,272.15x = 432,316.06 × 170,032.25
  4. Step 4: Simplify right side
    313,272.15x = 73,507,673,048.64
  5. Step 5: Solve for x
    x = 73,507,673,048.64/313,272.15
  6. Step 6: Final answer
    x = 234,644.77

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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.