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Finding the Fourth Proportional to 382,401.60, 573,602.40 and 193,444.80

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Solution

The fourth proportional to 382,401.60, 573,602.40 and 193,444.80 is: 290,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,401.60 : 573,602.40 = 193,444.80 : x
  2. Step 2: Convert to fraction form
    382,401.60/573,602.40 = 193,444.80/x
  3. Step 3: Cross multiply
    382,401.60x = 573,602.40 × 193,444.80
  4. Step 4: Simplify right side
    382,401.60x = 110,960,401,547.52
  5. Step 5: Solve for x
    x = 110,960,401,547.52/382,401.60
  6. Step 6: Final answer
    x = 290,167.20

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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.