Finding the Fourth Proportional to 224,309.05, 309,545.21 and 122,332.68
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Solution
The fourth proportional to 224,309.05, 309,545.21 and 122,332.68 is: 168,818.40
Step by Step Solution
- Step 1: Write the proportion equation
224,309.05 : 309,545.21 = 122,332.68 : x - Step 2: Convert to fraction form
224,309.05/309,545.21 = 122,332.68/x - Step 3: Cross multiply
224,309.05x = 309,545.21 × 122,332.68 - Step 4: Simplify right side
224,309.05x = 37,867,495,426.29 - Step 5: Solve for x
x = 37,867,495,426.29/224,309.05 - Step 6: Final answer
x = 168,818.40
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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.