Finding the Fourth Proportional to 369,258.88, 509,624.04 and 208,153.68
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Solution
The fourth proportional to 369,258.88, 509,624.04 and 208,153.68 is: 287,278.45
Step by Step Solution
- Step 1: Write the proportion equation
369,258.88 : 509,624.04 = 208,153.68 : x - Step 2: Convert to fraction form
369,258.88/509,624.04 = 208,153.68/x - Step 3: Cross multiply
369,258.88x = 509,624.04 × 208,153.68 - Step 4: Simplify right side
369,258.88x = 106,080,119,342.47 - Step 5: Solve for x
x = 106,080,119,342.47/369,258.88 - Step 6: Final answer
x = 287,278.45
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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.