Finding the Fourth Proportional to 486,818.18, 730,296.36 and 149,886.84
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Solution
The fourth proportional to 486,818.18, 730,296.36 and 149,886.84 is: 224,851.53
Step by Step Solution
- Step 1: Write the proportion equation
486,818.18 : 730,296.36 = 149,886.84 : x - Step 2: Convert to fraction form
486,818.18/730,296.36 = 149,886.84/x - Step 3: Cross multiply
486,818.18x = 730,296.36 × 149,886.84 - Step 4: Simplify right side
486,818.18x = 109,461,813,663.90 - Step 5: Solve for x
x = 109,461,813,663.90/486,818.18 - Step 6: Final answer
x = 224,851.53
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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.