Home / 346,280-477,895.58-195,406.16

Finding the Fourth Proportional to 346,280, 477,895.58 and 195,406.16

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Solution

The fourth proportional to 346,280, 477,895.58 and 195,406.16 is: 269,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,280 : 477,895.58 = 195,406.16 : x
  2. Step 2: Convert to fraction form
    346,280/477,895.58 = 195,406.16/x
  3. Step 3: Cross multiply
    346,280x = 477,895.58 × 195,406.16
  4. Step 4: Simplify right side
    346,280x = 93,383,740,168.77
  5. Step 5: Solve for x
    x = 93,383,740,168.77/346,280
  6. Step 6: Final answer
    x = 269,676.97

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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.