Home / 316,111.32-436,273.47-207,307.16

Finding the Fourth Proportional to 316,111.32, 436,273.47 and 207,307.16

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Solution

The fourth proportional to 316,111.32, 436,273.47 and 207,307.16 is: 286,110.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,111.32 : 436,273.47 = 207,307.16 : x
  2. Step 2: Convert to fraction form
    316,111.32/436,273.47 = 207,307.16/x
  3. Step 3: Cross multiply
    316,111.32x = 436,273.47 × 207,307.16
  4. Step 4: Simplify right side
    316,111.32x = 90,442,612,958.36
  5. Step 5: Solve for x
    x = 90,442,612,958.36/316,111.32
  6. Step 6: Final answer
    x = 286,110.01

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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.