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Finding the Fourth Proportional to 489,758.00, 734,301.62 and 249,406.65

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Solution

The fourth proportional to 489,758.00, 734,301.62 and 249,406.65 is: 373,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,758.00 : 734,301.62 = 249,406.65 : x
  2. Step 2: Convert to fraction form
    489,758.00/734,301.62 = 249,406.65/x
  3. Step 3: Cross multiply
    489,758.00x = 734,301.62 × 249,406.65
  4. Step 4: Simplify right side
    489,758.00x = 183,139,703,133.11
  5. Step 5: Solve for x
    x = 183,139,703,133.11/489,758.00
  6. Step 6: Final answer
    x = 373,939.18

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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.