Finding the Fourth Proportional to 518,934.96, 778,507.50 and 219,415.05
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Solution
The fourth proportional to 518,934.96, 778,507.50 and 219,415.05 is: 329,167.00
Step by Step Solution
- Step 1: Write the proportion equation
518,934.96 : 778,507.50 = 219,415.05 : x - Step 2: Convert to fraction form
518,934.96/778,507.50 = 219,415.05/x - Step 3: Cross multiply
518,934.96x = 778,507.50 × 219,415.05 - Step 4: Simplify right side
518,934.96x = 170,816,262,037.88 - Step 5: Solve for x
x = 170,816,262,037.88/518,934.96 - Step 6: Final answer
x = 329,167.00
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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.