Home / 358,756.18-495,065.24-197,607.76

Finding the Fourth Proportional to 358,756.18, 495,065.24 and 197,607.76

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Solution

The fourth proportional to 358,756.18, 495,065.24 and 197,607.76 is: 272,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,756.18 : 495,065.24 = 197,607.76 : x
  2. Step 2: Convert to fraction form
    358,756.18/495,065.24 = 197,607.76/x
  3. Step 3: Cross multiply
    358,756.18x = 495,065.24 × 197,607.76
  4. Step 4: Simplify right side
    358,756.18x = 97,828,733,130.26
  5. Step 5: Solve for x
    x = 97,828,733,130.26/358,756.18
  6. Step 6: Final answer
    x = 272,688.64

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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.