Finding the Fourth Proportional to 445,811.18, 615,219.36 and 254,828.67
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Solution
The fourth proportional to 445,811.18, 615,219.36 and 254,828.67 is: 351,663.53
Step by Step Solution
- Step 1: Write the proportion equation
445,811.18 : 615,219.36 = 254,828.67 : x - Step 2: Convert to fraction form
445,811.18/615,219.36 = 254,828.67/x - Step 3: Cross multiply
445,811.18x = 615,219.36 × 254,828.67 - Step 4: Simplify right side
445,811.18x = 156,775,531,267.05 - Step 5: Solve for x
x = 156,775,531,267.05/445,811.18 - Step 6: Final answer
x = 351,663.53
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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.