Finding the Fourth Proportional to 430,472.68, 594,191.50 and 385,070.56
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Solution
The fourth proportional to 430,472.68, 594,191.50 and 385,070.56 is: 531,521.89
Step by Step Solution
- Step 1: Write the proportion equation
430,472.68 : 594,191.50 = 385,070.56 : x - Step 2: Convert to fraction form
430,472.68/594,191.50 = 385,070.56/x - Step 3: Cross multiply
430,472.68x = 594,191.50 × 385,070.56 - Step 4: Simplify right side
430,472.68x = 228,805,651,204.09 - Step 5: Solve for x
x = 228,805,651,204.09/430,472.68 - Step 6: Final answer
x = 531,521.89
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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.