Home / 291,280.08-402,090.40-195,842.10

Finding the Fourth Proportional to 291,280.08, 402,090.40 and 195,842.10

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Solution

The fourth proportional to 291,280.08, 402,090.40 and 195,842.10 is: 270,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,280.08 : 402,090.40 = 195,842.10 : x
  2. Step 2: Convert to fraction form
    291,280.08/402,090.40 = 195,842.10/x
  3. Step 3: Cross multiply
    291,280.08x = 402,090.40 × 195,842.10
  4. Step 4: Simplify right side
    291,280.08x = 78,746,228,325.84
  5. Step 5: Solve for x
    x = 78,746,228,325.84/291,280.08
  6. Step 6: Final answer
    x = 270,345.40

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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.