Finding the Fourth Proportional to 98,903.01, 147,811.51 and 72,304.99
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Solution
The fourth proportional to 98,903.01, 147,811.51 and 72,304.99 is: 108,060.51
Step by Step Solution
- Step 1: Write the proportion equation
98,903.01 : 147,811.51 = 72,304.99 : x - Step 2: Convert to fraction form
98,903.01/147,811.51 = 72,304.99/x - Step 3: Cross multiply
98,903.01x = 147,811.51 × 72,304.99 - Step 4: Simplify right side
98,903.01x = 10,687,509,752.43 - Step 5: Solve for x
x = 10,687,509,752.43/98,903.01 - Step 6: Final answer
x = 108,060.51
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.