Home / 525,631.05-788,651.10-210,178.17

Finding the Fourth Proportional to 525,631.05, 788,651.10 and 210,178.17

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Solution

The fourth proportional to 525,631.05, 788,651.10 and 210,178.17 is: 315,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,631.05 : 788,651.10 = 210,178.17 : x
  2. Step 2: Convert to fraction form
    525,631.05/788,651.10 = 210,178.17/x
  3. Step 3: Cross multiply
    525,631.05x = 788,651.10 × 210,178.17
  4. Step 4: Simplify right side
    525,631.05x = 165,757,244,966.49
  5. Step 5: Solve for x
    x = 165,757,244,966.49/525,631.05
  6. Step 6: Final answer
    x = 315,349.04

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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.