Finding the Fourth Proportional to 425,371.23, 638,055.02 and 125,853.68
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Solution
The fourth proportional to 425,371.23, 638,055.02 and 125,853.68 is: 188,779.98
Step by Step Solution
- Step 1: Write the proportion equation
425,371.23 : 638,055.02 = 125,853.68 : x - Step 2: Convert to fraction form
425,371.23/638,055.02 = 125,853.68/x - Step 3: Cross multiply
425,371.23x = 638,055.02 × 125,853.68 - Step 4: Simplify right side
425,371.23x = 80,301,574,219.25 - Step 5: Solve for x
x = 80,301,574,219.25/425,371.23 - Step 6: Final answer
x = 188,779.98
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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.