Home / 318,004.32-438,854.04-174,768

Finding the Fourth Proportional to 318,004.32, 438,854.04 and 174,768

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Solution

The fourth proportional to 318,004.32, 438,854.04 and 174,768 is: 241,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,004.32 : 438,854.04 = 174,768 : x
  2. Step 2: Convert to fraction form
    318,004.32/438,854.04 = 174,768/x
  3. Step 3: Cross multiply
    318,004.32x = 438,854.04 × 174,768
  4. Step 4: Simplify right side
    318,004.32x = 76,697,642,862.72
  5. Step 5: Solve for x
    x = 76,697,642,862.72/318,004.32
  6. Step 6: Final answer
    x = 241,184.28

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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.