Finding the Fourth Proportional to 468,226.23, 646,153.94 and 253,366.31
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Solution
The fourth proportional to 468,226.23, 646,153.94 and 253,366.31 is: 349,646.44
Step by Step Solution
- Step 1: Write the proportion equation
468,226.23 : 646,153.94 = 253,366.31 : x - Step 2: Convert to fraction form
468,226.23/646,153.94 = 253,366.31/x - Step 3: Cross multiply
468,226.23x = 646,153.94 × 253,366.31 - Step 4: Simplify right side
468,226.23x = 163,713,634,972.16 - Step 5: Solve for x
x = 163,713,634,972.16/468,226.23 - Step 6: Final answer
x = 349,646.44
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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.