Finding the Fourth Proportional to 554,083.93, 831,126.12 and 133,359.80
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Solution
The fourth proportional to 554,083.93, 831,126.12 and 133,359.80 is: 200,039.75
Step by Step Solution
- Step 1: Write the proportion equation
554,083.93 : 831,126.12 = 133,359.80 : x - Step 2: Convert to fraction form
554,083.93/831,126.12 = 133,359.80/x - Step 3: Cross multiply
554,083.93x = 831,126.12 × 133,359.80 - Step 4: Simplify right side
554,083.93x = 110,838,813,137.98 - Step 5: Solve for x
x = 110,838,813,137.98/554,083.93 - Step 6: Final answer
x = 200,039.75
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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.