Finding the Fourth Proportional to 619,988.47, 930,017.36 and 193,583.19
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Solution
The fourth proportional to 619,988.47, 930,017.36 and 193,583.19 is: 290,385.61
Step by Step Solution
- Step 1: Write the proportion equation
619,988.47 : 930,017.36 = 193,583.19 : x - Step 2: Convert to fraction form
619,988.47/930,017.36 = 193,583.19/x - Step 3: Cross multiply
619,988.47x = 930,017.36 × 193,583.19 - Step 4: Simplify right side
619,988.47x = 180,035,727,304.18 - Step 5: Solve for x
x = 180,035,727,304.18/619,988.47 - Step 6: Final answer
x = 290,385.61
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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.