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Finding the Fourth Proportional to 608,647.42, 913,289.38 and 249,085.18

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Solution

The fourth proportional to 608,647.42, 913,289.38 and 249,085.18 is: 373,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,647.42 : 913,289.38 = 249,085.18 : x
  2. Step 2: Convert to fraction form
    608,647.42/913,289.38 = 249,085.18/x
  3. Step 3: Cross multiply
    608,647.42x = 913,289.38 × 249,085.18
  4. Step 4: Simplify right side
    608,647.42x = 227,486,844,991.03
  5. Step 5: Solve for x
    x = 227,486,844,991.03/608,647.42
  6. Step 6: Final answer
    x = 373,758.01

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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.