Finding the Fourth Proportional to 170,315.79, 235,035.86 and 98,737.31
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Solution
The fourth proportional to 170,315.79, 235,035.86 and 98,737.31 is: 136,257.52
Step by Step Solution
- Step 1: Write the proportion equation
170,315.79 : 235,035.86 = 98,737.31 : x - Step 2: Convert to fraction form
170,315.79/235,035.86 = 98,737.31/x - Step 3: Cross multiply
170,315.79x = 235,035.86 × 98,737.31 - Step 4: Simplify right side
170,315.79x = 23,206,806,901.07 - Step 5: Solve for x
x = 23,206,806,901.07/170,315.79 - Step 6: Final answer
x = 136,257.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.