Finding the Fourth Proportional to 611,137.17, 843,356.61 and 339,189.12
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Solution
The fourth proportional to 611,137.17, 843,356.61 and 339,189.12 is: 468,073.95
Step by Step Solution
- Step 1: Write the proportion equation
611,137.17 : 843,356.61 = 339,189.12 : x - Step 2: Convert to fraction form
611,137.17/843,356.61 = 339,189.12/x - Step 3: Cross multiply
611,137.17x = 843,356.61 × 339,189.12 - Step 4: Simplify right side
611,137.17x = 286,057,386,392.08 - Step 5: Solve for x
x = 286,057,386,392.08/611,137.17 - Step 6: Final answer
x = 468,073.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.