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Finding the Fourth Proportional to 555,712.02, 833,568.03 and 134,985.06

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Solution

The fourth proportional to 555,712.02, 833,568.03 and 134,985.06 is: 202,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,712.02 : 833,568.03 = 134,985.06 : x
  2. Step 2: Convert to fraction form
    555,712.02/833,568.03 = 134,985.06/x
  3. Step 3: Cross multiply
    555,712.02x = 833,568.03 × 134,985.06
  4. Step 4: Simplify right side
    555,712.02x = 112,519,230,543.63
  5. Step 5: Solve for x
    x = 112,519,230,543.63/555,712.02
  6. Step 6: Final answer
    x = 202,477.59

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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.