Finding the Fourth Proportional to 399,824.48, 551,739.12 and 218,545.76
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Solution
The fourth proportional to 399,824.48, 551,739.12 and 218,545.76 is: 301,582.95
Step by Step Solution
- Step 1: Write the proportion equation
399,824.48 : 551,739.12 = 218,545.76 : x - Step 2: Convert to fraction form
399,824.48/551,739.12 = 218,545.76/x - Step 3: Cross multiply
399,824.48x = 551,739.12 × 218,545.76 - Step 4: Simplify right side
399,824.48x = 120,580,245,302.13 - Step 5: Solve for x
x = 120,580,245,302.13/399,824.48 - Step 6: Final answer
x = 301,582.95
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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.