Home / 211,299.84-291,072.96-180,986.40

Finding the Fourth Proportional to 211,299.84, 291,072.96 and 180,986.40

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Solution

The fourth proportional to 211,299.84, 291,072.96 and 180,986.40 is: 249,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,299.84 : 291,072.96 = 180,986.40 : x
  2. Step 2: Convert to fraction form
    211,299.84/291,072.96 = 180,986.40/x
  3. Step 3: Cross multiply
    211,299.84x = 291,072.96 × 180,986.40
  4. Step 4: Simplify right side
    211,299.84x = 52,680,247,167.74
  5. Step 5: Solve for x
    x = 52,680,247,167.74/211,299.84
  6. Step 6: Final answer
    x = 249,315.13

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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.