Finding the Fourth Proportional to 554,118.84, 831,178.38 and 133,394.70
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Solution
The fourth proportional to 554,118.84, 831,178.38 and 133,394.70 is: 200,092.08
Step by Step Solution
- Step 1: Write the proportion equation
554,118.84 : 831,178.38 = 133,394.70 : x - Step 2: Convert to fraction form
554,118.84/831,178.38 = 133,394.70/x - Step 3: Cross multiply
554,118.84x = 831,178.38 × 133,394.70 - Step 4: Simplify right side
554,118.84x = 110,874,790,646.59 - Step 5: Solve for x
x = 110,874,790,646.59/554,118.84 - Step 6: Final answer
x = 200,092.08
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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.