Finding the Fourth Proportional to 237,838.19, 328,219.88 and 130,407.95
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Solution
The fourth proportional to 237,838.19, 328,219.88 and 130,407.95 is: 179,964.71
Step by Step Solution
- Step 1: Write the proportion equation
237,838.19 : 328,219.88 = 130,407.95 : x - Step 2: Convert to fraction form
237,838.19/328,219.88 = 130,407.95/x - Step 3: Cross multiply
237,838.19x = 328,219.88 × 130,407.95 - Step 4: Simplify right side
237,838.19x = 42,802,479,406.91 - Step 5: Solve for x
x = 42,802,479,406.91/237,838.19 - Step 6: Final answer
x = 179,964.71
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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.