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Finding the Fourth Proportional to 405,014.81, 558,897.30 and 241,855.45

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Solution

The fourth proportional to 405,014.81, 558,897.30 and 241,855.45 is: 333,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,014.81 : 558,897.30 = 241,855.45 : x
  2. Step 2: Convert to fraction form
    405,014.81/558,897.30 = 241,855.45/x
  3. Step 3: Cross multiply
    405,014.81x = 558,897.30 × 241,855.45
  4. Step 4: Simplify right side
    405,014.81x = 135,172,356,598.04
  5. Step 5: Solve for x
    x = 135,172,356,598.04/405,014.81
  6. Step 6: Final answer
    x = 333,746.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.