Home / 318,669.96-439,762.86-175,426.32

Finding the Fourth Proportional to 318,669.96, 439,762.86 and 175,426.32

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Solution

The fourth proportional to 318,669.96, 439,762.86 and 175,426.32 is: 242,087.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,669.96 : 439,762.86 = 175,426.32 : x
  2. Step 2: Convert to fraction form
    318,669.96/439,762.86 = 175,426.32/x
  3. Step 3: Cross multiply
    318,669.96x = 439,762.86 × 175,426.32
  4. Step 4: Simplify right side
    318,669.96x = 77,145,980,202.48
  5. Step 5: Solve for x
    x = 77,145,980,202.48/318,669.96
  6. Step 6: Final answer
    x = 242,087.39

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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.