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Finding the Fourth Proportional to 290,060.46, 435,038.79 and 184,566.06

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Solution

The fourth proportional to 290,060.46, 435,038.79 and 184,566.06 is: 276,816.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,060.46 : 435,038.79 = 184,566.06 : x
  2. Step 2: Convert to fraction form
    290,060.46/435,038.79 = 184,566.06/x
  3. Step 3: Cross multiply
    290,060.46x = 435,038.79 × 184,566.06
  4. Step 4: Simplify right side
    290,060.46x = 80,293,395,417.47
  5. Step 5: Solve for x
    x = 80,293,395,417.47/290,060.46
  6. Step 6: Final answer
    x = 276,816.07

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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.