Home / 358,119.75-494,333.81-212,925.19

Finding the Fourth Proportional to 358,119.75, 494,333.81 and 212,925.19

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Solution

The fourth proportional to 358,119.75, 494,333.81 and 212,925.19 is: 293,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,119.75 : 494,333.81 = 212,925.19 : x
  2. Step 2: Convert to fraction form
    358,119.75/494,333.81 = 212,925.19/x
  3. Step 3: Cross multiply
    358,119.75x = 494,333.81 × 212,925.19
  4. Step 4: Simplify right side
    358,119.75x = 105,256,118,516.45
  5. Step 5: Solve for x
    x = 105,256,118,516.45/358,119.75
  6. Step 6: Final answer
    x = 293,913.19

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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.