Home / 211,014.72-291,340.80-165,875.04

Finding the Fourth Proportional to 211,014.72, 291,340.80 and 165,875.04

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Solution

The fourth proportional to 211,014.72, 291,340.80 and 165,875.04 is: 229,017.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,014.72 : 291,340.80 = 165,875.04 : x
  2. Step 2: Convert to fraction form
    211,014.72/291,340.80 = 165,875.04/x
  3. Step 3: Cross multiply
    211,014.72x = 291,340.80 × 165,875.04
  4. Step 4: Simplify right side
    211,014.72x = 48,326,166,853.63
  5. Step 5: Solve for x
    x = 48,326,166,853.63/211,014.72
  6. Step 6: Final answer
    x = 229,017.99

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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.