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Finding the Fourth Proportional to 476,271.50, 657,230.88 and 282,687.63

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Solution

The fourth proportional to 476,271.50, 657,230.88 and 282,687.63 is: 390,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,271.50 : 657,230.88 = 282,687.63 : x
  2. Step 2: Convert to fraction form
    476,271.50/657,230.88 = 282,687.63/x
  3. Step 3: Cross multiply
    476,271.50x = 657,230.88 × 282,687.63
  4. Step 4: Simplify right side
    476,271.50x = 185,791,038,416.58
  5. Step 5: Solve for x
    x = 185,791,038,416.58/476,271.50
  6. Step 6: Final answer
    x = 390,094.81

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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.