Finding the Fourth Proportional to 279,448.16, 417,884.62 and 207,536.86
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Solution
The fourth proportional to 279,448.16, 417,884.62 and 207,536.86 is: 310,349.02
Step by Step Solution
- Step 1: Write the proportion equation
279,448.16 : 417,884.62 = 207,536.86 : x - Step 2: Convert to fraction form
279,448.16/417,884.62 = 207,536.86/x - Step 3: Cross multiply
279,448.16x = 417,884.62 × 207,536.86 - Step 4: Simplify right side
279,448.16x = 86,726,461,877.09 - Step 5: Solve for x
x = 86,726,461,877.09/279,448.16 - Step 6: Final answer
x = 310,349.02
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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.