Finding the Fourth Proportional to 346,957.05, 478,774.08 and 210,972.36
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Solution
The fourth proportional to 346,957.05, 478,774.08 and 210,972.36 is: 291,125.65
Step by Step Solution
- Step 1: Write the proportion equation
346,957.05 : 478,774.08 = 210,972.36 : x - Step 2: Convert to fraction form
346,957.05/478,774.08 = 210,972.36/x - Step 3: Cross multiply
346,957.05x = 478,774.08 × 210,972.36 - Step 4: Simplify right side
346,957.05x = 101,008,097,564.43 - Step 5: Solve for x
x = 101,008,097,564.43/346,957.05 - Step 6: Final answer
x = 291,125.65
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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.