Home / 326,154.33-489,386.10-157,580.16

Finding the Fourth Proportional to 326,154.33, 489,386.10 and 157,580.16

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Solution

The fourth proportional to 326,154.33, 489,386.10 and 157,580.16 is: 236,444.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,154.33 : 489,386.10 = 157,580.16 : x
  2. Step 2: Convert to fraction form
    326,154.33/489,386.10 = 157,580.16/x
  3. Step 3: Cross multiply
    326,154.33x = 489,386.10 × 157,580.16
  4. Step 4: Simplify right side
    326,154.33x = 77,117,539,939.78
  5. Step 5: Solve for x
    x = 77,117,539,939.78/326,154.33
  6. Step 6: Final answer
    x = 236,444.94

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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.