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Finding the Fourth Proportional to 446,490, 616,156.44 and 245,298.96

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Solution

The fourth proportional to 446,490, 616,156.44 and 245,298.96 is: 338,512.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,490 : 616,156.44 = 245,298.96 : x
  2. Step 2: Convert to fraction form
    446,490/616,156.44 = 245,298.96/x
  3. Step 3: Cross multiply
    446,490x = 616,156.44 × 245,298.96
  4. Step 4: Simplify right side
    446,490x = 151,142,533,929.30
  5. Step 5: Solve for x
    x = 151,142,533,929.30/446,490
  6. Step 6: Final answer
    x = 338,512.70

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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.