Home / 326,148.32-489,377.09-157,574.16

Finding the Fourth Proportional to 326,148.32, 489,377.09 and 157,574.16

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Solution

The fourth proportional to 326,148.32, 489,377.09 and 157,574.16 is: 236,435.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,148.32 : 489,377.09 = 157,574.16 : x
  2. Step 2: Convert to fraction form
    326,148.32/489,377.09 = 157,574.16/x
  3. Step 3: Cross multiply
    326,148.32x = 489,377.09 × 157,574.16
  4. Step 4: Simplify right side
    326,148.32x = 77,113,184,273.93
  5. Step 5: Solve for x
    x = 77,113,184,273.93/326,148.32
  6. Step 6: Final answer
    x = 236,435.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.