Home / 472,090.04-651,476-257,231.88

Finding the Fourth Proportional to 472,090.04, 651,476 and 257,231.88

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Solution

The fourth proportional to 472,090.04, 651,476 and 257,231.88 is: 354,975.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,090.04 : 651,476 = 257,231.88 : x
  2. Step 2: Convert to fraction form
    472,090.04/651,476 = 257,231.88/x
  3. Step 3: Cross multiply
    472,090.04x = 651,476 × 257,231.88
  4. Step 4: Simplify right side
    472,090.04x = 167,580,396,254.88
  5. Step 5: Solve for x
    x = 167,580,396,254.88/472,090.04
  6. Step 6: Final answer
    x = 354,975.50

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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.