Home / 345,916.08-477,363.60-195,013.08

Finding the Fourth Proportional to 345,916.08, 477,363.60 and 195,013.08

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Solution

The fourth proportional to 345,916.08, 477,363.60 and 195,013.08 is: 269,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,916.08 : 477,363.60 = 195,013.08 : x
  2. Step 2: Convert to fraction form
    345,916.08/477,363.60 = 195,013.08/x
  3. Step 3: Cross multiply
    345,916.08x = 477,363.60 × 195,013.08
  4. Step 4: Simplify right side
    345,916.08x = 93,092,145,915.89
  5. Step 5: Solve for x
    x = 93,092,145,915.89/345,916.08
  6. Step 6: Final answer
    x = 269,117.72

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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.