Finding the Fourth Proportional to 423,091.80, 634,637.70 and 173,773.80
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Solution
The fourth proportional to 423,091.80, 634,637.70 and 173,773.80 is: 260,660.70
Step by Step Solution
- Step 1: Write the proportion equation
423,091.80 : 634,637.70 = 173,773.80 : x - Step 2: Convert to fraction form
423,091.80/634,637.70 = 173,773.80/x - Step 3: Cross multiply
423,091.80x = 634,637.70 × 173,773.80 - Step 4: Simplify right side
423,091.80x = 110,283,404,752.26 - Step 5: Solve for x
x = 110,283,404,752.26/423,091.80 - Step 6: Final answer
x = 260,660.70
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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.