Home / 291,281.23-401,968.16-170,445.72

Finding the Fourth Proportional to 291,281.23, 401,968.16 and 170,445.72

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Solution

The fourth proportional to 291,281.23, 401,968.16 and 170,445.72 is: 235,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,281.23 : 401,968.16 = 170,445.72 : x
  2. Step 2: Convert to fraction form
    291,281.23/401,968.16 = 170,445.72/x
  3. Step 3: Cross multiply
    291,281.23x = 401,968.16 × 170,445.72
  4. Step 4: Simplify right side
    291,281.23x = 68,513,752,448.28
  5. Step 5: Solve for x
    x = 68,513,752,448.28/291,281.23
  6. Step 6: Final answer
    x = 235,215.13

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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.