Home / 445,155.84-614,327.04-243,960.32

Finding the Fourth Proportional to 445,155.84, 614,327.04 and 243,960.32

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Solution

The fourth proportional to 445,155.84, 614,327.04 and 243,960.32 is: 336,671.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,155.84 : 614,327.04 = 243,960.32 : x
  2. Step 2: Convert to fraction form
    445,155.84/614,327.04 = 243,960.32/x
  3. Step 3: Cross multiply
    445,155.84x = 614,327.04 × 243,960.32
  4. Step 4: Simplify right side
    445,155.84x = 149,871,421,263.05
  5. Step 5: Solve for x
    x = 149,871,421,263.05/445,155.84
  6. Step 6: Final answer
    x = 336,671.81

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1.5x scale

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.