Finding the Fourth Proportional to 566,343.99, 781,560.23 and 311,701.05
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Solution
The fourth proportional to 566,343.99, 781,560.23 and 311,701.05 is: 430,150.49
Step by Step Solution
- Step 1: Write the proportion equation
566,343.99 : 781,560.23 = 311,701.05 : x - Step 2: Convert to fraction form
566,343.99/781,560.23 = 311,701.05/x - Step 3: Cross multiply
566,343.99x = 781,560.23 × 311,701.05 - Step 4: Simplify right side
566,343.99x = 243,613,142,770.74 - Step 5: Solve for x
x = 243,613,142,770.74/566,343.99 - Step 6: Final answer
x = 430,150.49
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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.