Home / 421,567.48-581,784.42-249,584.20

Finding the Fourth Proportional to 421,567.48, 581,784.42 and 249,584.20

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Solution

The fourth proportional to 421,567.48, 581,784.42 and 249,584.20 is: 344,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,567.48 : 581,784.42 = 249,584.20 : x
  2. Step 2: Convert to fraction form
    421,567.48/581,784.42 = 249,584.20/x
  3. Step 3: Cross multiply
    421,567.48x = 581,784.42 × 249,584.20
  4. Step 4: Simplify right side
    421,567.48x = 145,204,199,038.16
  5. Step 5: Solve for x
    x = 145,204,199,038.16/421,567.48
  6. Step 6: Final answer
    x = 344,438.81

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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.