Finding the Fourth Proportional to 343,435.01, 515,177.12 and 90,712.99
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Solution
The fourth proportional to 343,435.01, 515,177.12 and 90,712.99 is: 136,075.98
Step by Step Solution
- Step 1: Write the proportion equation
343,435.01 : 515,177.12 = 90,712.99 : x - Step 2: Convert to fraction form
343,435.01/515,177.12 = 90,712.99/x - Step 3: Cross multiply
343,435.01x = 515,177.12 × 90,712.99 - Step 4: Simplify right side
343,435.01x = 46,733,256,934.79 - Step 5: Solve for x
x = 46,733,256,934.79/343,435.01 - Step 6: Final answer
x = 136,075.98
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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.