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Finding the Fourth Proportional to 380,094.96, 570,307.80 and 238,265.28

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Solution

The fourth proportional to 380,094.96, 570,307.80 and 238,265.28 is: 357,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,094.96 : 570,307.80 = 238,265.28 : x
  2. Step 2: Convert to fraction form
    380,094.96/570,307.80 = 238,265.28/x
  3. Step 3: Cross multiply
    380,094.96x = 570,307.80 × 238,265.28
  4. Step 4: Simplify right side
    380,094.96x = 135,884,547,653.18
  5. Step 5: Solve for x
    x = 135,884,547,653.18/380,094.96
  6. Step 6: Final answer
    x = 357,501.58

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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.