Finding the Fourth Proportional to 114,312.28, 157,827.99 and 71,357.23
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Solution
The fourth proportional to 114,312.28, 157,827.99 and 71,357.23 is: 98,521.07
Step by Step Solution
- Step 1: Write the proportion equation
114,312.28 : 157,827.99 = 71,357.23 : x - Step 2: Convert to fraction form
114,312.28/157,827.99 = 71,357.23/x - Step 3: Cross multiply
114,312.28x = 157,827.99 × 71,357.23 - Step 4: Simplify right side
114,312.28x = 11,262,168,182.87 - Step 5: Solve for x
x = 11,262,168,182.87/114,312.28 - Step 6: Final answer
x = 98,521.07
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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.