Finding the Fourth Proportional to 243,869.24, 336,552.64 and 136,432.88
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Solution
The fourth proportional to 243,869.24, 336,552.64 and 136,432.88 is: 188,284.70
Step by Step Solution
- Step 1: Write the proportion equation
243,869.24 : 336,552.64 = 136,432.88 : x - Step 2: Convert to fraction form
243,869.24/336,552.64 = 136,432.88/x - Step 3: Cross multiply
243,869.24x = 336,552.64 × 136,432.88 - Step 4: Simplify right side
243,869.24x = 45,916,845,946.80 - Step 5: Solve for x
x = 45,916,845,946.80/243,869.24 - Step 6: Final answer
x = 188,284.70
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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.