Home / 318,447.09-439,457.73-175,216.35

Finding the Fourth Proportional to 318,447.09, 439,457.73 and 175,216.35

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Solution

The fourth proportional to 318,447.09, 439,457.73 and 175,216.35 is: 241,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,447.09 : 439,457.73 = 175,216.35 : x
  2. Step 2: Convert to fraction form
    318,447.09/439,457.73 = 175,216.35/x
  3. Step 3: Cross multiply
    318,447.09x = 439,457.73 × 175,216.35
  4. Step 4: Simplify right side
    318,447.09x = 77,000,179,429.89
  5. Step 5: Solve for x
    x = 77,000,179,429.89/318,447.09
  6. Step 6: Final answer
    x = 241,798.97

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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.