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Finding the Fourth Proportional to 369,714.60, 510,291.27 and 216,802.04

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Solution

The fourth proportional to 369,714.60, 510,291.27 and 216,802.04 is: 299,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,714.60 : 510,291.27 = 216,802.04 : x
  2. Step 2: Convert to fraction form
    369,714.60/510,291.27 = 216,802.04/x
  3. Step 3: Cross multiply
    369,714.60x = 510,291.27 × 216,802.04
  4. Step 4: Simplify right side
    369,714.60x = 110,632,185,778.73
  5. Step 5: Solve for x
    x = 110,632,185,778.73/369,714.60
  6. Step 6: Final answer
    x = 299,236.72

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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.