Home / 369,985.73-554,740.75-145,369.89

Finding the Fourth Proportional to 369,985.73, 554,740.75 and 145,369.89

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Solution

The fourth proportional to 369,985.73, 554,740.75 and 145,369.89 is: 217,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,985.73 : 554,740.75 = 145,369.89 : x
  2. Step 2: Convert to fraction form
    369,985.73/554,740.75 = 145,369.89/x
  3. Step 3: Cross multiply
    369,985.73x = 554,740.75 × 145,369.89
  4. Step 4: Simplify right side
    369,985.73x = 80,642,601,987.73
  5. Step 5: Solve for x
    x = 80,642,601,987.73/369,985.73
  6. Step 6: Final answer
    x = 217,961.39

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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.