Finding the Fourth Proportional to 514,023.76, 709,405.80 and 296,240.08
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Solution
The fourth proportional to 514,023.76, 709,405.80 and 296,240.08 is: 408,841.86
Step by Step Solution
- Step 1: Write the proportion equation
514,023.76 : 709,405.80 = 296,240.08 : x - Step 2: Convert to fraction form
514,023.76/709,405.80 = 296,240.08/x - Step 3: Cross multiply
514,023.76x = 709,405.80 × 296,240.08 - Step 4: Simplify right side
514,023.76x = 210,154,430,944.46 - Step 5: Solve for x
x = 210,154,430,944.46/514,023.76 - Step 6: Final answer
x = 408,841.86
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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.