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Finding the Fourth Proportional to 401,369.60, 602,154.80 and 283,271.60

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Solution

The fourth proportional to 401,369.60, 602,154.80 and 283,271.60 is: 424,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,369.60 : 602,154.80 = 283,271.60 : x
  2. Step 2: Convert to fraction form
    401,369.60/602,154.80 = 283,271.60/x
  3. Step 3: Cross multiply
    401,369.60x = 602,154.80 × 283,271.60
  4. Step 4: Simplify right side
    401,369.60x = 170,573,349,216.55
  5. Step 5: Solve for x
    x = 170,573,349,216.55/401,369.60
  6. Step 6: Final answer
    x = 424,978.25

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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.