Home / 455,623.80-684,018.90-242,561.40

Finding the Fourth Proportional to 455,623.80, 684,018.90 and 242,561.40

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Solution

The fourth proportional to 455,623.80, 684,018.90 and 242,561.40 is: 364,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,623.80 : 684,018.90 = 242,561.40 : x
  2. Step 2: Convert to fraction form
    455,623.80/684,018.90 = 242,561.40/x
  3. Step 3: Cross multiply
    455,623.80x = 684,018.90 × 242,561.40
  4. Step 4: Simplify right side
    455,623.80x = 165,916,582,010.46
  5. Step 5: Solve for x
    x = 165,916,582,010.46/455,623.80
  6. Step 6: Final answer
    x = 364,152.58

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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.