Home / 317,145.51-437,681.07-209,527.02

Finding the Fourth Proportional to 317,145.51, 437,681.07 and 209,527.02

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Solution

The fourth proportional to 317,145.51, 437,681.07 and 209,527.02 is: 289,160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,145.51 : 437,681.07 = 209,527.02 : x
  2. Step 2: Convert to fraction form
    317,145.51/437,681.07 = 209,527.02/x
  3. Step 3: Cross multiply
    317,145.51x = 437,681.07 × 209,527.02
  4. Step 4: Simplify right side
    317,145.51x = 91,706,010,307.51
  5. Step 5: Solve for x
    x = 91,706,010,307.51/317,145.51
  6. Step 6: Final answer
    x = 289,160.68

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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.