Home / 357,333.04-535,917.71-213,279.50

Finding the Fourth Proportional to 357,333.04, 535,917.71 and 213,279.50

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Solution

The fourth proportional to 357,333.04, 535,917.71 and 213,279.50 is: 319,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,333.04 : 535,917.71 = 213,279.50 : x
  2. Step 2: Convert to fraction form
    357,333.04/535,917.71 = 213,279.50/x
  3. Step 3: Cross multiply
    357,333.04x = 535,917.71 × 213,279.50
  4. Step 4: Simplify right side
    357,333.04x = 114,300,261,229.95
  5. Step 5: Solve for x
    x = 114,300,261,229.95/357,333.04
  6. Step 6: Final answer
    x = 319,870.40

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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.