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Finding the Fourth Proportional to 242,955, 334,823.90 and 174,853.76

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Solution

The fourth proportional to 242,955, 334,823.90 and 174,853.76 is: 240,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,955 : 334,823.90 = 174,853.76 : x
  2. Step 2: Convert to fraction form
    242,955/334,823.90 = 174,853.76/x
  3. Step 3: Cross multiply
    242,955x = 334,823.90 × 174,853.76
  4. Step 4: Simplify right side
    242,955x = 58,545,217,852.86
  5. Step 5: Solve for x
    x = 58,545,217,852.86/242,955
  6. Step 6: Final answer
    x = 240,971.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.