Home / 296,164.08-408,281.31-211,133.52

Finding the Fourth Proportional to 296,164.08, 408,281.31 and 211,133.52

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Solution

The fourth proportional to 296,164.08, 408,281.31 and 211,133.52 is: 291,061.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,164.08 : 408,281.31 = 211,133.52 : x
  2. Step 2: Convert to fraction form
    296,164.08/408,281.31 = 211,133.52/x
  3. Step 3: Cross multiply
    296,164.08x = 408,281.31 × 211,133.52
  4. Step 4: Simplify right side
    296,164.08x = 86,201,870,130.51
  5. Step 5: Solve for x
    x = 86,201,870,130.51/296,164.08
  6. Step 6: Final answer
    x = 291,061.19

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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.