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Finding the Fourth Proportional to 446,095.64, 615,612.52 and 242,146.45

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Solution

The fourth proportional to 446,095.64, 615,612.52 and 242,146.45 is: 334,162.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,095.64 : 615,612.52 = 242,146.45 : x
  2. Step 2: Convert to fraction form
    446,095.64/615,612.52 = 242,146.45/x
  3. Step 3: Cross multiply
    446,095.64x = 615,612.52 × 242,146.45
  4. Step 4: Simplify right side
    446,095.64x = 149,068,386,293.55
  5. Step 5: Solve for x
    x = 149,068,386,293.55/446,095.64
  6. Step 6: Final answer
    x = 334,162.39

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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.