Finding the Fourth Proportional to 486,683.68, 729,898.80 and 206,056.48
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Solution
The fourth proportional to 486,683.68, 729,898.80 and 206,056.48 is: 309,031.07
Step by Step Solution
- Step 1: Write the proportion equation
486,683.68 : 729,898.80 = 206,056.48 : x - Step 2: Convert to fraction form
486,683.68/729,898.80 = 206,056.48/x - Step 3: Cross multiply
486,683.68x = 729,898.80 × 206,056.48 - Step 4: Simplify right side
486,683.68x = 150,400,377,484.22 - Step 5: Solve for x
x = 150,400,377,484.22/486,683.68 - Step 6: Final answer
x = 309,031.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.