Home / 212,306.04-291,083.58-208,515.24

Finding the Fourth Proportional to 212,306.04, 291,083.58 and 208,515.24

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Solution

The fourth proportional to 212,306.04, 291,083.58 and 208,515.24 is: 285,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,306.04 : 291,083.58 = 208,515.24 : x
  2. Step 2: Convert to fraction form
    212,306.04/291,083.58 = 208,515.24/x
  3. Step 3: Cross multiply
    212,306.04x = 291,083.58 × 208,515.24
  4. Step 4: Simplify right side
    212,306.04x = 60,695,362,543.76
  5. Step 5: Solve for x
    x = 60,695,362,543.76/212,306.04
  6. Step 6: Final answer
    x = 285,886.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.