Home / 446,120.30-615,646.80-242,171.40

Finding the Fourth Proportional to 446,120.30, 615,646.80 and 242,171.40

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Solution

The fourth proportional to 446,120.30, 615,646.80 and 242,171.40 is: 334,196.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,120.30 : 615,646.80 = 242,171.40 : x
  2. Step 2: Convert to fraction form
    446,120.30/615,646.80 = 242,171.40/x
  3. Step 3: Cross multiply
    446,120.30x = 615,646.80 × 242,171.40
  4. Step 4: Simplify right side
    446,120.30x = 149,092,047,461.52
  5. Step 5: Solve for x
    x = 149,092,047,461.52/446,120.30
  6. Step 6: Final answer
    x = 334,196.96

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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.