Finding the Fourth Proportional to 506,343.36, 698,740.02 and 279,981.12
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Solution
The fourth proportional to 506,343.36, 698,740.02 and 279,981.12 is: 386,366.31
Step by Step Solution
- Step 1: Write the proportion equation
506,343.36 : 698,740.02 = 279,981.12 : x - Step 2: Convert to fraction form
506,343.36/698,740.02 = 279,981.12/x - Step 3: Cross multiply
506,343.36x = 698,740.02 × 279,981.12 - Step 4: Simplify right side
506,343.36x = 195,634,013,388.42 - Step 5: Solve for x
x = 195,634,013,388.42/506,343.36 - Step 6: Final answer
x = 386,366.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.