Finding the Fourth Proportional to 448,006.13, 618,248.19 and 246,802.13
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Solution
The fourth proportional to 448,006.13, 618,248.19 and 246,802.13 is: 340,586.79
Step by Step Solution
- Step 1: Write the proportion equation
448,006.13 : 618,248.19 = 246,802.13 : x - Step 2: Convert to fraction form
448,006.13/618,248.19 = 246,802.13/x - Step 3: Cross multiply
448,006.13x = 618,248.19 × 246,802.13 - Step 4: Simplify right side
448,006.13x = 152,584,970,160.65 - Step 5: Solve for x
x = 152,584,970,160.65/448,006.13 - Step 6: Final answer
x = 340,586.79
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1.5x scale
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.