Finding the Fourth Proportional to 612,497.04, 919,009.08 and 212,920.26
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Solution
The fourth proportional to 612,497.04, 919,009.08 and 212,920.26 is: 319,472.00
Step by Step Solution
- Step 1: Write the proportion equation
612,497.04 : 919,009.08 = 212,920.26 : x - Step 2: Convert to fraction form
612,497.04/919,009.08 = 212,920.26/x - Step 3: Cross multiply
612,497.04x = 919,009.08 × 212,920.26 - Step 4: Simplify right side
612,497.04x = 195,675,652,255.96 - Step 5: Solve for x
x = 195,675,652,255.96/612,497.04 - Step 6: Final answer
x = 319,472.00
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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.