Home / 472,388.10-651,882.58-257,528.11

Finding the Fourth Proportional to 472,388.10, 651,882.58 and 257,528.11

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Solution

The fourth proportional to 472,388.10, 651,882.58 and 257,528.11 is: 355,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,388.10 : 651,882.58 = 257,528.11 : x
  2. Step 2: Convert to fraction form
    472,388.10/651,882.58 = 257,528.11/x
  3. Step 3: Cross multiply
    472,388.10x = 651,882.58 × 257,528.11
  4. Step 4: Simplify right side
    472,388.10x = 167,878,089,166.67
  5. Step 5: Solve for x
    x = 167,878,089,166.67/472,388.10
  6. Step 6: Final answer
    x = 355,381.71

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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.