Finding the Fourth Proportional to 419,984.84, 579,579.66 and 228,998.23
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Solution
The fourth proportional to 419,984.84, 579,579.66 and 228,998.23 is: 316,017.87
Step by Step Solution
- Step 1: Write the proportion equation
419,984.84 : 579,579.66 = 228,998.23 : x - Step 2: Convert to fraction form
419,984.84/579,579.66 = 228,998.23/x - Step 3: Cross multiply
419,984.84x = 579,579.66 × 228,998.23 - Step 4: Simplify right side
419,984.84x = 132,722,714,835.05 - Step 5: Solve for x
x = 132,722,714,835.05/419,984.84 - Step 6: Final answer
x = 316,017.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.