Finding the Fourth Proportional to 291,319.34, 401,926.86 and 176,643.99
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Solution
The fourth proportional to 291,319.34, 401,926.86 and 176,643.99 is: 243,711.82
Step by Step Solution
- Step 1: Write the proportion equation
291,319.34 : 401,926.86 = 176,643.99 : x - Step 2: Convert to fraction form
291,319.34/401,926.86 = 176,643.99/x - Step 3: Cross multiply
291,319.34x = 401,926.86 × 176,643.99 - Step 4: Simplify right side
291,319.34x = 70,997,964,238.57 - Step 5: Solve for x
x = 70,997,964,238.57/291,319.34 - Step 6: Final answer
x = 243,711.82
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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.