Finding the Fourth Proportional to 468,718.76, 646,828.67 and 253,853.91
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Solution
The fourth proportional to 468,718.76, 646,828.67 and 253,853.91 is: 350,316.65
Step by Step Solution
- Step 1: Write the proportion equation
468,718.76 : 646,828.67 = 253,853.91 : x - Step 2: Convert to fraction form
468,718.76/646,828.67 = 253,853.91/x - Step 3: Cross multiply
468,718.76x = 646,828.67 × 253,853.91 - Step 4: Simplify right side
468,718.76x = 164,199,987,614.23 - Step 5: Solve for x
x = 164,199,987,614.23/468,718.76 - Step 6: Final answer
x = 350,316.65
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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.