Home / 230,157.12-317,530.86-229,802.30

Finding the Fourth Proportional to 230,157.12, 317,530.86 and 229,802.30

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Solution

The fourth proportional to 230,157.12, 317,530.86 and 229,802.30 is: 317,041.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,157.12 : 317,530.86 = 229,802.30 : x
  2. Step 2: Convert to fraction form
    230,157.12/317,530.86 = 229,802.30/x
  3. Step 3: Cross multiply
    230,157.12x = 317,530.86 × 229,802.30
  4. Step 4: Simplify right side
    230,157.12x = 72,969,320,361.32
  5. Step 5: Solve for x
    x = 72,969,320,361.32/230,157.12
  6. Step 6: Final answer
    x = 317,041.33

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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.