Finding the Fourth Proportional to 361,510.81, 542,342.08 and 108,809.79
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Solution
The fourth proportional to 361,510.81, 542,342.08 and 108,809.79 is: 163,237.52
Step by Step Solution
- Step 1: Write the proportion equation
361,510.81 : 542,342.08 = 108,809.79 : x - Step 2: Convert to fraction form
361,510.81/542,342.08 = 108,809.79/x - Step 3: Cross multiply
361,510.81x = 542,342.08 × 108,809.79 - Step 4: Simplify right side
361,510.81x = 59,012,127,832.96 - Step 5: Solve for x
x = 59,012,127,832.96/361,510.81 - Step 6: Final answer
x = 163,237.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.