Finding the Fourth Proportional to 346,881.87, 478,773.99 and 210,886.92
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Solution
The fourth proportional to 346,881.87, 478,773.99 and 210,886.92 is: 291,070.77
Step by Step Solution
- Step 1: Write the proportion equation
346,881.87 : 478,773.99 = 210,886.92 : x - Step 2: Convert to fraction form
346,881.87/478,773.99 = 210,886.92/x - Step 3: Cross multiply
346,881.87x = 478,773.99 × 210,886.92 - Step 4: Simplify right side
346,881.87x = 100,967,172,127.21 - Step 5: Solve for x
x = 100,967,172,127.21/346,881.87 - Step 6: Final answer
x = 291,070.77
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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.