Finding the Fourth Proportional to 346,989.51, 520,487.97 and 122,308.08
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Solution
The fourth proportional to 346,989.51, 520,487.97 and 122,308.08 is: 183,463.43
Step by Step Solution
- Step 1: Write the proportion equation
346,989.51 : 520,487.97 = 122,308.08 : x - Step 2: Convert to fraction form
346,989.51/520,487.97 = 122,308.08/x - Step 3: Cross multiply
346,989.51x = 520,487.97 × 122,308.08 - Step 4: Simplify right side
346,989.51x = 63,659,884,273.80 - Step 5: Solve for x
x = 63,659,884,273.80/346,989.51 - Step 6: Final answer
x = 183,463.43
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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.