Home / 358,784.02-495,122.52-197,639.74

Finding the Fourth Proportional to 358,784.02, 495,122.52 and 197,639.74

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Solution

The fourth proportional to 358,784.02, 495,122.52 and 197,639.74 is: 272,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,784.02 : 495,122.52 = 197,639.74 : x
  2. Step 2: Convert to fraction form
    358,784.02/495,122.52 = 197,639.74/x
  3. Step 3: Cross multiply
    358,784.02x = 495,122.52 × 197,639.74
  4. Step 4: Simplify right side
    358,784.02x = 97,855,886,120.94
  5. Step 5: Solve for x
    x = 97,855,886,120.94/358,784.02
  6. Step 6: Final answer
    x = 272,743.16

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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.