Finding the Fourth Proportional to 430,597.13, 646,031.77 and 193,960.49
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Solution
The fourth proportional to 430,597.13, 646,031.77 and 193,960.49 is: 291,002.02
Step by Step Solution
- Step 1: Write the proportion equation
430,597.13 : 646,031.77 = 193,960.49 : x - Step 2: Convert to fraction form
430,597.13/646,031.77 = 193,960.49/x - Step 3: Cross multiply
430,597.13x = 646,031.77 × 193,960.49 - Step 4: Simplify right side
430,597.13x = 125,304,634,949.71 - Step 5: Solve for x
x = 125,304,634,949.71/430,597.13 - Step 6: Final answer
x = 291,002.02
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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.