Home / 456,631.56-684,777.06-157,027.32

Finding the Fourth Proportional to 456,631.56, 684,777.06 and 157,027.32

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Solution

The fourth proportional to 456,631.56, 684,777.06 and 157,027.32 is: 235,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,631.56 : 684,777.06 = 157,027.32 : x
  2. Step 2: Convert to fraction form
    456,631.56/684,777.06 = 157,027.32/x
  3. Step 3: Cross multiply
    456,631.56x = 684,777.06 × 157,027.32
  4. Step 4: Simplify right side
    456,631.56x = 107,528,706,529.28
  5. Step 5: Solve for x
    x = 107,528,706,529.28/456,631.56
  6. Step 6: Final answer
    x = 235,482.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.