Finding the Fourth Proportional to 468,271.77, 646,214.99 and 253,411.84
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Solution
The fourth proportional to 468,271.77, 646,214.99 and 253,411.84 is: 349,708.31
Step by Step Solution
- Step 1: Write the proportion equation
468,271.77 : 646,214.99 = 253,411.84 : x - Step 2: Convert to fraction form
468,271.77/646,214.99 = 253,411.84/x - Step 3: Cross multiply
468,271.77x = 646,214.99 × 253,411.84 - Step 4: Simplify right side
468,271.77x = 163,758,529,651.48 - Step 5: Solve for x
x = 163,758,529,651.48/468,271.77 - Step 6: Final answer
x = 349,708.31
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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.