Finding the Fourth Proportional to 112,332.36, 155,018.26 and 62,031.08
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Solution
The fourth proportional to 112,332.36, 155,018.26 and 62,031.08 is: 85,602.67
Step by Step Solution
- Step 1: Write the proportion equation
112,332.36 : 155,018.26 = 62,031.08 : x - Step 2: Convert to fraction form
112,332.36/155,018.26 = 62,031.08/x - Step 3: Cross multiply
112,332.36x = 155,018.26 × 62,031.08 - Step 4: Simplify right side
112,332.36x = 9,615,950,087.52 - Step 5: Solve for x
x = 9,615,950,087.52/112,332.36 - Step 6: Final answer
x = 85,602.67
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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.