Finding the Fourth Proportional to 402,747.91, 555,653.79 and 249,731.01
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Solution
The fourth proportional to 402,747.91, 555,653.79 and 249,731.01 is: 344,543.02
Step by Step Solution
- Step 1: Write the proportion equation
402,747.91 : 555,653.79 = 249,731.01 : x - Step 2: Convert to fraction form
402,747.91/555,653.79 = 249,731.01/x - Step 3: Cross multiply
402,747.91x = 555,653.79 × 249,731.01 - Step 4: Simplify right side
402,747.91x = 138,763,982,187.03 - Step 5: Solve for x
x = 138,763,982,187.03/402,747.91 - Step 6: Final answer
x = 344,543.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.