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Finding the Fourth Proportional to 315,083.84, 472,203.59 and 294,905.66

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Solution

The fourth proportional to 315,083.84, 472,203.59 and 294,905.66 is: 441,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,083.84 : 472,203.59 = 294,905.66 : x
  2. Step 2: Convert to fraction form
    315,083.84/472,203.59 = 294,905.66/x
  3. Step 3: Cross multiply
    315,083.84x = 472,203.59 × 294,905.66
  4. Step 4: Simplify right side
    315,083.84x = 139,255,507,527.77
  5. Step 5: Solve for x
    x = 139,255,507,527.77/315,083.84
  6. Step 6: Final answer
    x = 441,963.35

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1.5x scale

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.