Home / 358,756.17-495,065.25-197,607.75

Finding the Fourth Proportional to 358,756.17, 495,065.25 and 197,607.75

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Solution

The fourth proportional to 358,756.17, 495,065.25 and 197,607.75 is: 272,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,756.17 : 495,065.25 = 197,607.75 : x
  2. Step 2: Convert to fraction form
    358,756.17/495,065.25 = 197,607.75/x
  3. Step 3: Cross multiply
    358,756.17x = 495,065.25 × 197,607.75
  4. Step 4: Simplify right side
    358,756.17x = 97,828,730,155.69
  5. Step 5: Solve for x
    x = 97,828,730,155.69/358,756.17
  6. Step 6: Final answer
    x = 272,688.63

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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.