Home / 288,916.43-433,433.77-99,352.18

Finding the Fourth Proportional to 288,916.43, 433,433.77 and 99,352.18

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Solution

The fourth proportional to 288,916.43, 433,433.77 and 99,352.18 is: 149,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,916.43 : 433,433.77 = 99,352.18 : x
  2. Step 2: Convert to fraction form
    288,916.43/433,433.77 = 99,352.18/x
  3. Step 3: Cross multiply
    288,916.43x = 433,433.77 × 99,352.18
  4. Step 4: Simplify right side
    288,916.43x = 43,062,588,603.15
  5. Step 5: Solve for x
    x = 43,062,588,603.15/288,916.43
  6. Step 6: Final answer
    x = 149,048.60

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1.5x scale

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.