Home / 298,935.10-448,402.65-121,569.40

Finding the Fourth Proportional to 298,935.10, 448,402.65 and 121,569.40

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Solution

The fourth proportional to 298,935.10, 448,402.65 and 121,569.40 is: 182,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,935.10 : 448,402.65 = 121,569.40 : x
  2. Step 2: Convert to fraction form
    298,935.10/448,402.65 = 121,569.40/x
  3. Step 3: Cross multiply
    298,935.10x = 448,402.65 × 121,569.40
  4. Step 4: Simplify right side
    298,935.10x = 54,512,041,118.91
  5. Step 5: Solve for x
    x = 54,512,041,118.91/298,935.10
  6. Step 6: Final answer
    x = 182,354.10

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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.