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Finding the Fourth Proportional to 472,941.70, 652,673.42 and 258,095.64

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Solution

The fourth proportional to 472,941.70, 652,673.42 and 258,095.64 is: 356,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,941.70 : 652,673.42 = 258,095.64 : x
  2. Step 2: Convert to fraction form
    472,941.70/652,673.42 = 258,095.64/x
  3. Step 3: Cross multiply
    472,941.70x = 652,673.42 × 258,095.64
  4. Step 4: Simplify right side
    472,941.70x = 168,452,159,492.04
  5. Step 5: Solve for x
    x = 168,452,159,492.04/472,941.70
  6. Step 6: Final answer
    x = 356,179.54

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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.