Home / 211,417.07-317,125.40-51,492.92

Finding the Fourth Proportional to 211,417.07, 317,125.40 and 51,492.92

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Solution

The fourth proportional to 211,417.07, 317,125.40 and 51,492.92 is: 77,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,417.07 : 317,125.40 = 51,492.92 : x
  2. Step 2: Convert to fraction form
    211,417.07/317,125.40 = 51,492.92/x
  3. Step 3: Cross multiply
    211,417.07x = 317,125.40 × 51,492.92
  4. Step 4: Simplify right side
    211,417.07x = 16,329,711,009.08
  5. Step 5: Solve for x
    x = 16,329,711,009.08/211,417.07
  6. Step 6: Final answer
    x = 77,239.32

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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.