Home / 447,538.07-671,368.98-143,940.82

Finding the Fourth Proportional to 447,538.07, 671,368.98 and 143,940.82

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Solution

The fourth proportional to 447,538.07, 671,368.98 and 143,940.82 is: 215,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,538.07 : 671,368.98 = 143,940.82 : x
  2. Step 2: Convert to fraction form
    447,538.07/671,368.98 = 143,940.82/x
  3. Step 3: Cross multiply
    447,538.07x = 671,368.98 × 143,940.82
  4. Step 4: Simplify right side
    447,538.07x = 96,637,400,784.06
  5. Step 5: Solve for x
    x = 96,637,400,784.06/447,538.07
  6. Step 6: Final answer
    x = 215,931.13

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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.