Finding the Fourth Proportional to 356,276.06, 534,364.68 and 90,020.18
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Solution
The fourth proportional to 356,276.06, 534,364.68 and 90,020.18 is: 135,017.79
Step by Step Solution
- Step 1: Write the proportion equation
356,276.06 : 534,364.68 = 90,020.18 : x - Step 2: Convert to fraction form
356,276.06/534,364.68 = 90,020.18/x - Step 3: Cross multiply
356,276.06x = 534,364.68 × 90,020.18 - Step 4: Simplify right side
356,276.06x = 48,103,604,679.24 - Step 5: Solve for x
x = 48,103,604,679.24/356,276.06 - Step 6: Final answer
x = 135,017.79
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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.