Finding the Fourth Proportional to 97,927.51, 146,894.75 and 31,358.99
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Solution
The fourth proportional to 97,927.51, 146,894.75 and 31,358.99 is: 47,039.60
Step by Step Solution
- Step 1: Write the proportion equation
97,927.51 : 146,894.75 = 31,358.99 : x - Step 2: Convert to fraction form
97,927.51/146,894.75 = 31,358.99/x - Step 3: Cross multiply
97,927.51x = 146,894.75 × 31,358.99 - Step 4: Simplify right side
97,927.51x = 4,606,470,773.49 - Step 5: Solve for x
x = 4,606,470,773.49/97,927.51 - Step 6: Final answer
x = 47,039.60
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1.5x scale
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.