Home / 439,976.04-607,138.02-249,009

Finding the Fourth Proportional to 439,976.04, 607,138.02 and 249,009

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Solution

The fourth proportional to 439,976.04, 607,138.02 and 249,009 is: 343,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,976.04 : 607,138.02 = 249,009 : x
  2. Step 2: Convert to fraction form
    439,976.04/607,138.02 = 249,009/x
  3. Step 3: Cross multiply
    439,976.04x = 607,138.02 × 249,009
  4. Step 4: Simplify right side
    439,976.04x = 151,182,831,222.18
  5. Step 5: Solve for x
    x = 151,182,831,222.18/439,976.04
  6. Step 6: Final answer
    x = 343,616.06

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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.