Home / 608,421.04-912,561.84-159,185.28

Finding the Fourth Proportional to 608,421.04, 912,561.84 and 159,185.28

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Solution

The fourth proportional to 608,421.04, 912,561.84 and 159,185.28 is: 238,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,421.04 : 912,561.84 = 159,185.28 : x
  2. Step 2: Convert to fraction form
    608,421.04/912,561.84 = 159,185.28/x
  3. Step 3: Cross multiply
    608,421.04x = 912,561.84 × 159,185.28
  4. Step 4: Simplify right side
    608,421.04x = 145,266,412,017.72
  5. Step 5: Solve for x
    x = 145,266,412,017.72/608,421.04
  6. Step 6: Final answer
    x = 238,759.68

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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.