Finding the Fourth Proportional to 613,031.28, 919,509.44 and 228,706.08
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Solution
The fourth proportional to 613,031.28, 919,509.44 and 228,706.08 is: 343,045.14
Step by Step Solution
- Step 1: Write the proportion equation
613,031.28 : 919,509.44 = 228,706.08 : x - Step 2: Convert to fraction form
613,031.28/919,509.44 = 228,706.08/x - Step 3: Cross multiply
613,031.28x = 919,509.44 × 228,706.08 - Step 4: Simplify right side
613,031.28x = 210,297,399,545.40 - Step 5: Solve for x
x = 210,297,399,545.40/613,031.28 - Step 6: Final answer
x = 343,045.14
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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.