Home / 358,962.84-495,372-197,823.66

Finding the Fourth Proportional to 358,962.84, 495,372 and 197,823.66

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Solution

The fourth proportional to 358,962.84, 495,372 and 197,823.66 is: 272,998.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,962.84 : 495,372 = 197,823.66 : x
  2. Step 2: Convert to fraction form
    358,962.84/495,372 = 197,823.66/x
  3. Step 3: Cross multiply
    358,962.84x = 495,372 × 197,823.66
  4. Step 4: Simplify right side
    358,962.84x = 97,996,302,101.52
  5. Step 5: Solve for x
    x = 97,996,302,101.52/358,962.84
  6. Step 6: Final answer
    x = 272,998.46

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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.