Finding the Fourth Proportional to 486,259.76, 729,484.18 and 186,718.31
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Solution
The fourth proportional to 486,259.76, 729,484.18 and 186,718.31 is: 280,113.77
Step by Step Solution
- Step 1: Write the proportion equation
486,259.76 : 729,484.18 = 186,718.31 : x - Step 2: Convert to fraction form
486,259.76/729,484.18 = 186,718.31/x - Step 3: Cross multiply
486,259.76x = 729,484.18 × 186,718.31 - Step 4: Simplify right side
486,259.76x = 136,208,055,986.03 - Step 5: Solve for x
x = 136,208,055,986.03/486,259.76 - Step 6: Final answer
x = 280,113.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.