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Finding the Fourth Proportional to 352,848.51, 529,271.96 and 153,143.01

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Solution

The fourth proportional to 352,848.51, 529,271.96 and 153,143.01 is: 229,714.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,848.51 : 529,271.96 = 153,143.01 : x
  2. Step 2: Convert to fraction form
    352,848.51/529,271.96 = 153,143.01/x
  3. Step 3: Cross multiply
    352,848.51x = 529,271.96 × 153,143.01
  4. Step 4: Simplify right side
    352,848.51x = 81,054,300,297.28
  5. Step 5: Solve for x
    x = 81,054,300,297.28/352,848.51
  6. Step 6: Final answer
    x = 229,714.16

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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.