Finding the Fourth Proportional to 351,497.80, 527,246.70 and 257,494.60
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Solution
The fourth proportional to 351,497.80, 527,246.70 and 257,494.60 is: 386,241.90
Step by Step Solution
- Step 1: Write the proportion equation
351,497.80 : 527,246.70 = 257,494.60 : x - Step 2: Convert to fraction form
351,497.80/527,246.70 = 257,494.60/x - Step 3: Cross multiply
351,497.80x = 527,246.70 × 257,494.60 - Step 4: Simplify right side
351,497.80x = 135,763,178,117.82 - Step 5: Solve for x
x = 135,763,178,117.82/351,497.80 - Step 6: Final answer
x = 386,241.90
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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.