Home / 211,247.10-316,870.65-197,250.30

Finding the Fourth Proportional to 211,247.10, 316,870.65 and 197,250.30

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Solution

The fourth proportional to 211,247.10, 316,870.65 and 197,250.30 is: 295,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,247.10 : 316,870.65 = 197,250.30 : x
  2. Step 2: Convert to fraction form
    211,247.10/316,870.65 = 197,250.30/x
  3. Step 3: Cross multiply
    211,247.10x = 316,870.65 × 197,250.30
  4. Step 4: Simplify right side
    211,247.10x = 62,502,830,773.70
  5. Step 5: Solve for x
    x = 62,502,830,773.70/211,247.10
  6. Step 6: Final answer
    x = 295,875.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.