Finding the Fourth Proportional to 616,612.99, 850,908.02 and 344,681.41
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Solution
The fourth proportional to 616,612.99, 850,908.02 and 344,681.41 is: 475,650.33
Step by Step Solution
- Step 1: Write the proportion equation
616,612.99 : 850,908.02 = 344,681.41 : x - Step 2: Convert to fraction form
616,612.99/850,908.02 = 344,681.41/x - Step 3: Cross multiply
616,612.99x = 850,908.02 × 344,681.41 - Step 4: Simplify right side
616,612.99x = 293,292,174,390.50 - Step 5: Solve for x
x = 293,292,174,390.50/616,612.99 - Step 6: Final answer
x = 475,650.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.