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Finding the Fourth Proportional to 556,017.44, 833,710.18 and 218,875.52

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Solution

The fourth proportional to 556,017.44, 833,710.18 and 218,875.52 is: 328,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,017.44 : 833,710.18 = 218,875.52 : x
  2. Step 2: Convert to fraction form
    556,017.44/833,710.18 = 218,875.52/x
  3. Step 3: Cross multiply
    556,017.44x = 833,710.18 × 218,875.52
  4. Step 4: Simplify right side
    556,017.44x = 182,478,749,176.79
  5. Step 5: Solve for x
    x = 182,478,749,176.79/556,017.44
  6. Step 6: Final answer
    x = 328,188.89

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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.