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Finding the Fourth Proportional to 356,289.68, 534,483.73 and 119,700.02

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Solution

The fourth proportional to 356,289.68, 534,483.73 and 119,700.02 is: 179,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,289.68 : 534,483.73 = 119,700.02 : x
  2. Step 2: Convert to fraction form
    356,289.68/534,483.73 = 119,700.02/x
  3. Step 3: Cross multiply
    356,289.68x = 534,483.73 × 119,700.02
  4. Step 4: Simplify right side
    356,289.68x = 63,977,714,656.51
  5. Step 5: Solve for x
    x = 63,977,714,656.51/356,289.68
  6. Step 6: Final answer
    x = 179,566.57

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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.