Finding the Fourth Proportional to 554,607.12, 831,846.36 and 155,279.82
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Solution
The fourth proportional to 554,607.12, 831,846.36 and 155,279.82 is: 232,901.72
Step by Step Solution
- Step 1: Write the proportion equation
554,607.12 : 831,846.36 = 155,279.82 : x - Step 2: Convert to fraction form
554,607.12/831,846.36 = 155,279.82/x - Step 3: Cross multiply
554,607.12x = 831,846.36 × 155,279.82 - Step 4: Simplify right side
554,607.12x = 129,168,953,048.46 - Step 5: Solve for x
x = 129,168,953,048.46/554,607.12 - Step 6: Final answer
x = 232,901.72
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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.