Home / 358,731.03-495,030.10-222,762.05

Finding the Fourth Proportional to 358,731.03, 495,030.10 and 222,762.05

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Solution

The fourth proportional to 358,731.03, 495,030.10 and 222,762.05 is: 307,400.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,731.03 : 495,030.10 = 222,762.05 : x
  2. Step 2: Convert to fraction form
    358,731.03/495,030.10 = 222,762.05/x
  3. Step 3: Cross multiply
    358,731.03x = 495,030.10 × 222,762.05
  4. Step 4: Simplify right side
    358,731.03x = 110,273,919,129.69
  5. Step 5: Solve for x
    x = 110,273,919,129.69/358,731.03
  6. Step 6: Final answer
    x = 307,400.00

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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.