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Finding the Fourth Proportional to 335,396.51, 503,098.40 and 98,743.67

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Solution

The fourth proportional to 335,396.51, 503,098.40 and 98,743.67 is: 148,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,396.51 : 503,098.40 = 98,743.67 : x
  2. Step 2: Convert to fraction form
    335,396.51/503,098.40 = 98,743.67/x
  3. Step 3: Cross multiply
    335,396.51x = 503,098.40 × 98,743.67
  4. Step 4: Simplify right side
    335,396.51x = 49,677,779,871.64
  5. Step 5: Solve for x
    x = 49,677,779,871.64/335,396.51
  6. Step 6: Final answer
    x = 148,116.57

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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.