Finding the Fourth Proportional to 98,569.80, 147,854.70 and 98,569.80
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Solution
The fourth proportional to 98,569.80, 147,854.70 and 98,569.80 is: 147,854.70
Step by Step Solution
- Step 1: Write the proportion equation
98,569.80 : 147,854.70 = 98,569.80 : x - Step 2: Convert to fraction form
98,569.80/147,854.70 = 98,569.80/x - Step 3: Cross multiply
98,569.80x = 147,854.70 × 98,569.80 - Step 4: Simplify right side
98,569.80x = 14,574,008,208.06 - Step 5: Solve for x
x = 14,574,008,208.06/98,569.80 - Step 6: Final answer
x = 147,854.70
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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.