Finding the Fourth Proportional to 346,808.21, 520,221.53 and 122,117.54
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Solution
The fourth proportional to 346,808.21, 520,221.53 and 122,117.54 is: 183,179.55
Step by Step Solution
- Step 1: Write the proportion equation
346,808.21 : 520,221.53 = 122,117.54 : x - Step 2: Convert to fraction form
346,808.21/520,221.53 = 122,117.54/x - Step 3: Cross multiply
346,808.21x = 520,221.53 × 122,117.54 - Step 4: Simplify right side
346,808.21x = 63,528,171,202.82 - Step 5: Solve for x
x = 63,528,171,202.82/346,808.21 - Step 6: Final answer
x = 183,179.55
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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.