Finding the Fourth Proportional to 591,368.60, 816,088.99 and 319,436.49
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Solution
The fourth proportional to 591,368.60, 816,088.99 and 319,436.49 is: 440,822.54
Step by Step Solution
- Step 1: Write the proportion equation
591,368.60 : 816,088.99 = 319,436.49 : x - Step 2: Convert to fraction form
591,368.60/816,088.99 = 319,436.49/x - Step 3: Cross multiply
591,368.60x = 816,088.99 × 319,436.49 - Step 4: Simplify right side
591,368.60x = 260,688,605,353.93 - Step 5: Solve for x
x = 260,688,605,353.93/591,368.60 - Step 6: Final answer
x = 440,822.54
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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.