Home / 307,928.94-424,933.65-171,959.10

Finding the Fourth Proportional to 307,928.94, 424,933.65 and 171,959.10

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Solution

The fourth proportional to 307,928.94, 424,933.65 and 171,959.10 is: 237,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,928.94 : 424,933.65 = 171,959.10 : x
  2. Step 2: Convert to fraction form
    307,928.94/424,933.65 = 171,959.10/x
  3. Step 3: Cross multiply
    307,928.94x = 424,933.65 × 171,959.10
  4. Step 4: Simplify right side
    307,928.94x = 73,071,208,013.72
  5. Step 5: Solve for x
    x = 73,071,208,013.72/307,928.94
  6. Step 6: Final answer
    x = 237,298.93

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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.