Home / 317,435.02-438,065.70-174,208.40

Finding the Fourth Proportional to 317,435.02, 438,065.70 and 174,208.40

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Solution

The fourth proportional to 317,435.02, 438,065.70 and 174,208.40 is: 240,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,435.02 : 438,065.70 = 174,208.40 : x
  2. Step 2: Convert to fraction form
    317,435.02/438,065.70 = 174,208.40/x
  3. Step 3: Cross multiply
    317,435.02x = 438,065.70 × 174,208.40
  4. Step 4: Simplify right side
    317,435.02x = 76,314,724,691.88
  5. Step 5: Solve for x
    x = 76,314,724,691.88/317,435.02
  6. Step 6: Final answer
    x = 240,410.54

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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.