Finding the Fourth Proportional to 170,913.53, 235,812.69 and 98,312.63
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Solution
The fourth proportional to 170,913.53, 235,812.69 and 98,312.63 is: 135,643.82
Step by Step Solution
- Step 1: Write the proportion equation
170,913.53 : 235,812.69 = 98,312.63 : x - Step 2: Convert to fraction form
170,913.53/235,812.69 = 98,312.63/x - Step 3: Cross multiply
170,913.53x = 235,812.69 × 98,312.63 - Step 4: Simplify right side
170,913.53x = 23,183,364,562.21 - Step 5: Solve for x
x = 23,183,364,562.21/170,913.53 - Step 6: Final answer
x = 135,643.82
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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.