Home / 317,870.02-438,660.80-174,639.29

Finding the Fourth Proportional to 317,870.02, 438,660.80 and 174,639.29

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Solution

The fourth proportional to 317,870.02, 438,660.80 and 174,639.29 is: 241,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,870.02 : 438,660.80 = 174,639.29 : x
  2. Step 2: Convert to fraction form
    317,870.02/438,660.80 = 174,639.29/x
  3. Step 3: Cross multiply
    317,870.02x = 438,660.80 × 174,639.29
  4. Step 4: Simplify right side
    317,870.02x = 76,607,410,662.83
  5. Step 5: Solve for x
    x = 76,607,410,662.83/317,870.02
  6. Step 6: Final answer
    x = 241,002.31

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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.