Finding the Fourth Proportional to 552,501.03, 828,510.12 and 278,778.99
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Solution
The fourth proportional to 552,501.03, 828,510.12 and 278,778.99 is: 418,046.67
Step by Step Solution
- Step 1: Write the proportion equation
552,501.03 : 828,510.12 = 278,778.99 : x - Step 2: Convert to fraction form
552,501.03/828,510.12 = 278,778.99/x - Step 3: Cross multiply
552,501.03x = 828,510.12 × 278,778.99 - Step 4: Simplify right side
552,501.03x = 230,971,214,458.38 - Step 5: Solve for x
x = 230,971,214,458.38/552,501.03 - Step 6: Final answer
x = 418,046.67
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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.