Home / 317,430.64-438,054.04-181,467.60

Finding the Fourth Proportional to 317,430.64, 438,054.04 and 181,467.60

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Solution

The fourth proportional to 317,430.64, 438,054.04 and 181,467.60 is: 250,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,430.64 : 438,054.04 = 181,467.60 : x
  2. Step 2: Convert to fraction form
    317,430.64/438,054.04 = 181,467.60/x
  3. Step 3: Cross multiply
    317,430.64x = 438,054.04 × 181,467.60
  4. Step 4: Simplify right side
    317,430.64x = 79,492,615,309.10
  5. Step 5: Solve for x
    x = 79,492,615,309.10/317,430.64
  6. Step 6: Final answer
    x = 250,425.15

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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.