Home / 313,955.16-433,249.03-178,001.72

Finding the Fourth Proportional to 313,955.16, 433,249.03 and 178,001.72

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Solution

The fourth proportional to 313,955.16, 433,249.03 and 178,001.72 is: 245,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,955.16 : 433,249.03 = 178,001.72 : x
  2. Step 2: Convert to fraction form
    313,955.16/433,249.03 = 178,001.72/x
  3. Step 3: Cross multiply
    313,955.16x = 433,249.03 × 178,001.72
  4. Step 4: Simplify right side
    313,955.16x = 77,119,072,528.33
  5. Step 5: Solve for x
    x = 77,119,072,528.33/313,955.16
  6. Step 6: Final answer
    x = 245,637.22

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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.