Home / 256,607.04-384,926.28-98,835.96

Finding the Fourth Proportional to 256,607.04, 384,926.28 and 98,835.96

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Solution

The fourth proportional to 256,607.04, 384,926.28 and 98,835.96 is: 148,259.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,607.04 : 384,926.28 = 98,835.96 : x
  2. Step 2: Convert to fraction form
    256,607.04/384,926.28 = 98,835.96/x
  3. Step 3: Cross multiply
    256,607.04x = 384,926.28 × 98,835.96
  4. Step 4: Simplify right side
    256,607.04x = 38,044,558,413.03
  5. Step 5: Solve for x
    x = 38,044,558,413.03/256,607.04
  6. Step 6: Final answer
    x = 148,259.99

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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.