Home / 211,783.32-317,379.24-117,058.80

Finding the Fourth Proportional to 211,783.32, 317,379.24 and 117,058.80

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Solution

The fourth proportional to 211,783.32, 317,379.24 and 117,058.80 is: 175,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,783.32 : 317,379.24 = 117,058.80 : x
  2. Step 2: Convert to fraction form
    211,783.32/317,379.24 = 117,058.80/x
  3. Step 3: Cross multiply
    211,783.32x = 317,379.24 × 117,058.80
  4. Step 4: Simplify right side
    211,783.32x = 37,152,032,979.31
  5. Step 5: Solve for x
    x = 37,152,032,979.31/211,783.32
  6. Step 6: Final answer
    x = 175,424.74

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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.