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Finding the Fourth Proportional to 446,010, 615,483.60 and 242,061.30

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Solution

The fourth proportional to 446,010, 615,483.60 and 242,061.30 is: 334,039.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,010 : 615,483.60 = 242,061.30 : x
  2. Step 2: Convert to fraction form
    446,010/615,483.60 = 242,061.30/x
  3. Step 3: Cross multiply
    446,010x = 615,483.60 × 242,061.30
  4. Step 4: Simplify right side
    446,010x = 148,984,760,344.68
  5. Step 5: Solve for x
    x = 148,984,760,344.68/446,010
  6. Step 6: Final answer
    x = 334,039.06

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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.