Finding the Fourth Proportional to 355,712.52, 533,569.68 and 145,350.42
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Solution
The fourth proportional to 355,712.52, 533,569.68 and 145,350.42 is: 218,026.00
Step by Step Solution
- Step 1: Write the proportion equation
355,712.52 : 533,569.68 = 145,350.42 : x - Step 2: Convert to fraction form
355,712.52/533,569.68 = 145,350.42/x - Step 3: Cross multiply
355,712.52x = 533,569.68 × 145,350.42 - Step 4: Simplify right side
355,712.52x = 77,554,577,087.27 - Step 5: Solve for x
x = 77,554,577,087.27/355,712.52 - Step 6: Final answer
x = 218,026.00
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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.