Finding the Fourth Proportional to 487,510.70, 672,798.84 and 272,670.62
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Solution
The fourth proportional to 487,510.70, 672,798.84 and 272,670.62 is: 376,304.51
Step by Step Solution
- Step 1: Write the proportion equation
487,510.70 : 672,798.84 = 272,670.62 : x - Step 2: Convert to fraction form
487,510.70/672,798.84 = 272,670.62/x - Step 3: Cross multiply
487,510.70x = 672,798.84 × 272,670.62 - Step 4: Simplify right side
487,510.70x = 183,452,476,838.08 - Step 5: Solve for x
x = 183,452,476,838.08/487,510.70 - Step 6: Final answer
x = 376,304.51
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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.