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Finding the Fourth Proportional to 358,969.73, 495,381.60 and 197,830.67

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Solution

The fourth proportional to 358,969.73, 495,381.60 and 197,830.67 is: 273,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,969.73 : 495,381.60 = 197,830.67 : x
  2. Step 2: Convert to fraction form
    358,969.73/495,381.60 = 197,830.67/x
  3. Step 3: Cross multiply
    358,969.73x = 495,381.60 × 197,830.67
  4. Step 4: Simplify right side
    358,969.73x = 98,001,671,356.76
  5. Step 5: Solve for x
    x = 98,001,671,356.76/358,969.73
  6. Step 6: Final answer
    x = 273,008.18

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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.