Home / 318,539.04-439,574.28-175,298.88

Finding the Fourth Proportional to 318,539.04, 439,574.28 and 175,298.88

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Solution

The fourth proportional to 318,539.04, 439,574.28 and 175,298.88 is: 241,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,539.04 : 439,574.28 = 175,298.88 : x
  2. Step 2: Convert to fraction form
    318,539.04/439,574.28 = 175,298.88/x
  3. Step 3: Cross multiply
    318,539.04x = 439,574.28 × 175,298.88
  4. Step 4: Simplify right side
    318,539.04x = 77,056,878,960.81
  5. Step 5: Solve for x
    x = 77,056,878,960.81/318,539.04
  6. Step 6: Final answer
    x = 241,907.17

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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.