Home / 213,307.02-294,386.40-122,666.94

Finding the Fourth Proportional to 213,307.02, 294,386.40 and 122,666.94

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Solution

The fourth proportional to 213,307.02, 294,386.40 and 122,666.94 is: 169,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,307.02 : 294,386.40 = 122,666.94 : x
  2. Step 2: Convert to fraction form
    213,307.02/294,386.40 = 122,666.94/x
  3. Step 3: Cross multiply
    213,307.02x = 294,386.40 × 122,666.94
  4. Step 4: Simplify right side
    213,307.02x = 36,111,478,865.62
  5. Step 5: Solve for x
    x = 36,111,478,865.62/213,307.02
  6. Step 6: Final answer
    x = 169,293.44

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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.