Home / 642,815.04-964,403.10-238,001.16

Finding the Fourth Proportional to 642,815.04, 964,403.10 and 238,001.16

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Solution

The fourth proportional to 642,815.04, 964,403.10 and 238,001.16 is: 357,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,815.04 : 964,403.10 = 238,001.16 : x
  2. Step 2: Convert to fraction form
    642,815.04/964,403.10 = 238,001.16/x
  3. Step 3: Cross multiply
    642,815.04x = 964,403.10 × 238,001.16
  4. Step 4: Simplify right side
    642,815.04x = 229,529,056,507.60
  5. Step 5: Solve for x
    x = 229,529,056,507.60/642,815.04
  6. Step 6: Final answer
    x = 357,068.58

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1.5x scale

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.