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Finding the Fourth Proportional to 237,948, 328,352.88 and 130,495.20

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Solution

The fourth proportional to 237,948, 328,352.88 and 130,495.20 is: 180,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,948 : 328,352.88 = 130,495.20 : x
  2. Step 2: Convert to fraction form
    237,948/328,352.88 = 130,495.20/x
  3. Step 3: Cross multiply
    237,948x = 328,352.88 × 130,495.20
  4. Step 4: Simplify right side
    237,948x = 42,848,474,746.18
  5. Step 5: Solve for x
    x = 42,848,474,746.18/237,948
  6. Step 6: Final answer
    x = 180,074.95

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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.