Home / 210,497.04-290,384.76-153,047.40

Finding the Fourth Proportional to 210,497.04, 290,384.76 and 153,047.40

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Solution

The fourth proportional to 210,497.04, 290,384.76 and 153,047.40 is: 211,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,497.04 : 290,384.76 = 153,047.40 : x
  2. Step 2: Convert to fraction form
    210,497.04/290,384.76 = 153,047.40/x
  3. Step 3: Cross multiply
    210,497.04x = 290,384.76 × 153,047.40
  4. Step 4: Simplify right side
    210,497.04x = 44,442,632,517.62
  5. Step 5: Solve for x
    x = 44,442,632,517.62/210,497.04
  6. Step 6: Final answer
    x = 211,131.86

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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.