Finding the Fourth Proportional to 243,679.68, 365,239.62 and 152,536.02
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Solution
The fourth proportional to 243,679.68, 365,239.62 and 152,536.02 is: 228,628.82
Step by Step Solution
- Step 1: Write the proportion equation
243,679.68 : 365,239.62 = 152,536.02 : x - Step 2: Convert to fraction form
243,679.68/365,239.62 = 152,536.02/x - Step 3: Cross multiply
243,679.68x = 365,239.62 × 152,536.02 - Step 4: Simplify right side
243,679.68x = 55,712,197,981.11 - Step 5: Solve for x
x = 55,712,197,981.11/243,679.68 - Step 6: Final answer
x = 228,628.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.