Finding the Fourth Proportional to 617,759.74, 926,655.81 and 212,947.66
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Solution
The fourth proportional to 617,759.74, 926,655.81 and 212,947.66 is: 319,427.07
Step by Step Solution
- Step 1: Write the proportion equation
617,759.74 : 926,655.81 = 212,947.66 : x - Step 2: Convert to fraction form
617,759.74/926,655.81 = 212,947.66/x - Step 3: Cross multiply
617,759.74x = 926,655.81 × 212,947.66 - Step 4: Simplify right side
617,759.74x = 197,329,186,364.91 - Step 5: Solve for x
x = 197,329,186,364.91/617,759.74 - Step 6: Final answer
x = 319,427.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.