Finding the Fourth Proportional to 356,153.08, 534,257.40 and 103,437.70
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Solution
The fourth proportional to 356,153.08, 534,257.40 and 103,437.70 is: 155,164.62
Step by Step Solution
- Step 1: Write the proportion equation
356,153.08 : 534,257.40 = 103,437.70 : x - Step 2: Convert to fraction form
356,153.08/534,257.40 = 103,437.70/x - Step 3: Cross multiply
356,153.08x = 534,257.40 × 103,437.70 - Step 4: Simplify right side
356,153.08x = 55,262,356,663.98 - Step 5: Solve for x
x = 55,262,356,663.98/356,153.08 - Step 6: Final answer
x = 155,164.62
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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.