Home / 210,574.28-290,505.49-153,087.57

Finding the Fourth Proportional to 210,574.28, 290,505.49 and 153,087.57

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Solution

The fourth proportional to 210,574.28, 290,505.49 and 153,087.57 is: 211,197.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,574.28 : 290,505.49 = 153,087.57 : x
  2. Step 2: Convert to fraction form
    210,574.28/290,505.49 = 153,087.57/x
  3. Step 3: Cross multiply
    210,574.28x = 290,505.49 × 153,087.57
  4. Step 4: Simplify right side
    210,574.28x = 44,472,779,153.04
  5. Step 5: Solve for x
    x = 44,472,779,153.04/210,574.28
  6. Step 6: Final answer
    x = 211,197.58

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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.