Finding the Fourth Proportional to 464,338.99, 640,516.30 and 291,984.11
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Solution
The fourth proportional to 464,338.99, 640,516.30 and 291,984.11 is: 402,767.34
Step by Step Solution
- Step 1: Write the proportion equation
464,338.99 : 640,516.30 = 291,984.11 : x - Step 2: Convert to fraction form
464,338.99/640,516.30 = 291,984.11/x - Step 3: Cross multiply
464,338.99x = 640,516.30 × 291,984.11 - Step 4: Simplify right side
464,338.99x = 187,020,578,593.41 - Step 5: Solve for x
x = 187,020,578,593.41/464,338.99 - Step 6: Final answer
x = 402,767.34
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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.