Finding the Fourth Proportional to 614,201.80, 921,302.70 and 282,425.80
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Solution
The fourth proportional to 614,201.80, 921,302.70 and 282,425.80 is: 423,638.70
Step by Step Solution
- Step 1: Write the proportion equation
614,201.80 : 921,302.70 = 282,425.80 : x - Step 2: Convert to fraction form
614,201.80/921,302.70 = 282,425.80/x - Step 3: Cross multiply
614,201.80x = 921,302.70 × 282,425.80 - Step 4: Simplify right side
614,201.80x = 260,199,652,089.66 - Step 5: Solve for x
x = 260,199,652,089.66/614,201.80 - Step 6: Final answer
x = 423,638.70
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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.