Home / 358,281.50-494,440.36-197,148.38

Finding the Fourth Proportional to 358,281.50, 494,440.36 and 197,148.38

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Solution

The fourth proportional to 358,281.50, 494,440.36 and 197,148.38 is: 272,071.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,281.50 : 494,440.36 = 197,148.38 : x
  2. Step 2: Convert to fraction form
    358,281.50/494,440.36 = 197,148.38/x
  3. Step 3: Cross multiply
    358,281.50x = 494,440.36 × 197,148.38
  4. Step 4: Simplify right side
    358,281.50x = 97,478,115,980.62
  5. Step 5: Solve for x
    x = 97,478,115,980.62/358,281.50
  6. Step 6: Final answer
    x = 272,071.31

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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.