Finding the Fourth Proportional to 466,567.11, 643,967.63 and 305,328.74
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Solution
The fourth proportional to 466,567.11, 643,967.63 and 305,328.74 is: 421,422.38
Step by Step Solution
- Step 1: Write the proportion equation
466,567.11 : 643,967.63 = 305,328.74 : x - Step 2: Convert to fraction form
466,567.11/643,967.63 = 305,328.74/x - Step 3: Cross multiply
466,567.11x = 643,967.63 × 305,328.74 - Step 4: Simplify right side
466,567.11x = 196,621,820,322.20 - Step 5: Solve for x
x = 196,621,820,322.20/466,567.11 - Step 6: Final answer
x = 421,422.38
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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.