Finding the Fourth Proportional to 468,257.74, 646,195.68 and 253,397.79
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Solution
The fourth proportional to 468,257.74, 646,195.68 and 253,397.79 is: 349,688.95
Step by Step Solution
- Step 1: Write the proportion equation
468,257.74 : 646,195.68 = 253,397.79 : x - Step 2: Convert to fraction form
468,257.74/646,195.68 = 253,397.79/x - Step 3: Cross multiply
468,257.74x = 646,195.68 × 253,397.79 - Step 4: Simplify right side
468,257.74x = 163,744,557,219.55 - Step 5: Solve for x
x = 163,744,557,219.55/468,257.74 - Step 6: Final answer
x = 349,688.95
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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.