Finding the Fourth Proportional to 235,309.84, 324,730.12 and 127,881.68
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Solution
The fourth proportional to 235,309.84, 324,730.12 and 127,881.68 is: 176,478.10
Step by Step Solution
- Step 1: Write the proportion equation
235,309.84 : 324,730.12 = 127,881.68 : x - Step 2: Convert to fraction form
235,309.84/324,730.12 = 127,881.68/x - Step 3: Cross multiply
235,309.84x = 324,730.12 × 127,881.68 - Step 4: Simplify right side
235,309.84x = 41,527,033,292.20 - Step 5: Solve for x
x = 41,527,033,292.20/235,309.84 - Step 6: Final answer
x = 176,478.10
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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.