Home / 407,272.86-562,040.43-226,001.67

Finding the Fourth Proportional to 407,272.86, 562,040.43 and 226,001.67

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Solution

The fourth proportional to 407,272.86, 562,040.43 and 226,001.67 is: 311,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,272.86 : 562,040.43 = 226,001.67 : x
  2. Step 2: Convert to fraction form
    407,272.86/562,040.43 = 226,001.67/x
  3. Step 3: Cross multiply
    407,272.86x = 562,040.43 × 226,001.67
  4. Step 4: Simplify right side
    407,272.86x = 127,022,075,787.52
  5. Step 5: Solve for x
    x = 127,022,075,787.52/407,272.86
  6. Step 6: Final answer
    x = 311,884.46

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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.