Finding the Fourth Proportional to 402,855.48, 604,283.31 and 103,335.98
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Solution
The fourth proportional to 402,855.48, 604,283.31 and 103,335.98 is: 155,003.99
Step by Step Solution
- Step 1: Write the proportion equation
402,855.48 : 604,283.31 = 103,335.98 : x - Step 2: Convert to fraction form
402,855.48/604,283.31 = 103,335.98/x - Step 3: Cross multiply
402,855.48x = 604,283.31 × 103,335.98 - Step 4: Simplify right side
402,855.48x = 62,444,205,015.08 - Step 5: Solve for x
x = 62,444,205,015.08/402,855.48 - Step 6: Final answer
x = 155,003.99
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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.