Home / 572,087.90-858,181.86-212,262.81

Finding the Fourth Proportional to 572,087.90, 858,181.86 and 212,262.81

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Solution

The fourth proportional to 572,087.90, 858,181.86 and 212,262.81 is: 318,412.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,087.90 : 858,181.86 = 212,262.81 : x
  2. Step 2: Convert to fraction form
    572,087.90/858,181.86 = 212,262.81/x
  3. Step 3: Cross multiply
    572,087.90x = 858,181.86 × 212,262.81
  4. Step 4: Simplify right side
    572,087.90x = 182,160,093,094.63
  5. Step 5: Solve for x
    x = 182,160,093,094.63/572,087.90
  6. Step 6: Final answer
    x = 318,412.77

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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.