Home / 384,046.16-529,835.88-240,556.40

Finding the Fourth Proportional to 384,046.16, 529,835.88 and 240,556.40

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Solution

The fourth proportional to 384,046.16, 529,835.88 and 240,556.40 is: 331,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,046.16 : 529,835.88 = 240,556.40 : x
  2. Step 2: Convert to fraction form
    384,046.16/529,835.88 = 240,556.40/x
  3. Step 3: Cross multiply
    384,046.16x = 529,835.88 × 240,556.40
  4. Step 4: Simplify right side
    384,046.16x = 127,455,411,883.63
  5. Step 5: Solve for x
    x = 127,455,411,883.63/384,046.16
  6. Step 6: Final answer
    x = 331,875.24

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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.