Finding the Fourth Proportional to 749,970.12, 1,125,173.04 and 270,188.81
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Solution
The fourth proportional to 749,970.12, 1,125,173.04 and 270,188.81 is: 405,361.70
Step by Step Solution
- Step 1: Write the proportion equation
749,970.12 : 1,125,173.04 = 270,188.81 : x - Step 2: Convert to fraction form
749,970.12/1,125,173.04 = 270,188.81/x - Step 3: Cross multiply
749,970.12x = 1,125,173.04 × 270,188.81 - Step 4: Simplify right side
749,970.12x = 304,009,164,721.68 - Step 5: Solve for x
x = 304,009,164,721.68/749,970.12 - Step 6: Final answer
x = 405,361.70
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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.