Home / 402,916.07-556,103.07-230,949.33

Finding the Fourth Proportional to 402,916.07, 556,103.07 and 230,949.33

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Solution

The fourth proportional to 402,916.07, 556,103.07 and 230,949.33 is: 318,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,916.07 : 556,103.07 = 230,949.33 : x
  2. Step 2: Convert to fraction form
    402,916.07/556,103.07 = 230,949.33/x
  3. Step 3: Cross multiply
    402,916.07x = 556,103.07 × 230,949.33
  4. Step 4: Simplify right side
    402,916.07x = 128,431,631,427.44
  5. Step 5: Solve for x
    x = 128,431,631,427.44/402,916.07
  6. Step 6: Final answer
    x = 318,755.30

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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.