Home / 279,689.04-385,975.08-152,364.60

Finding the Fourth Proportional to 279,689.04, 385,975.08 and 152,364.60

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Solution

The fourth proportional to 279,689.04, 385,975.08 and 152,364.60 is: 210,265.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,689.04 : 385,975.08 = 152,364.60 : x
  2. Step 2: Convert to fraction form
    279,689.04/385,975.08 = 152,364.60/x
  3. Step 3: Cross multiply
    279,689.04x = 385,975.08 × 152,364.60
  4. Step 4: Simplify right side
    279,689.04x = 58,808,938,674.17
  5. Step 5: Solve for x
    x = 58,808,938,674.17/279,689.04
  6. Step 6: Final answer
    x = 210,265.44

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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.