Finding the Fourth Proportional to 493,298.13, 680,752.02 and 266,943.63
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Solution
The fourth proportional to 493,298.13, 680,752.02 and 266,943.63 is: 368,382.53
Step by Step Solution
- Step 1: Write the proportion equation
493,298.13 : 680,752.02 = 266,943.63 : x - Step 2: Convert to fraction form
493,298.13/680,752.02 = 266,943.63/x - Step 3: Cross multiply
493,298.13x = 680,752.02 × 266,943.63 - Step 4: Simplify right side
493,298.13x = 181,722,415,348.63 - Step 5: Solve for x
x = 181,722,415,348.63/493,298.13 - Step 6: Final answer
x = 368,382.53
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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.