Finding the Fourth Proportional to 401,070.08, 553,476.80 and 239,931.84
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Solution
The fourth proportional to 401,070.08, 553,476.80 and 239,931.84 is: 331,105.99
Step by Step Solution
- Step 1: Write the proportion equation
401,070.08 : 553,476.80 = 239,931.84 : x - Step 2: Convert to fraction form
401,070.08/553,476.80 = 239,931.84/x - Step 3: Cross multiply
401,070.08x = 553,476.80 × 239,931.84 - Step 4: Simplify right side
401,070.08x = 132,796,707,021.31 - Step 5: Solve for x
x = 132,796,707,021.31/401,070.08 - Step 6: Final answer
x = 331,105.99
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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.