Finding the Fourth Proportional to 328,612.14, 453,489.93 and 185,374.98
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Solution
The fourth proportional to 328,612.14, 453,489.93 and 185,374.98 is: 255,820.39
Step by Step Solution
- Step 1: Write the proportion equation
328,612.14 : 453,489.93 = 185,374.98 : x - Step 2: Convert to fraction form
328,612.14/453,489.93 = 185,374.98/x - Step 3: Cross multiply
328,612.14x = 453,489.93 × 185,374.98 - Step 4: Simplify right side
328,612.14x = 84,065,686,703.95 - Step 5: Solve for x
x = 84,065,686,703.95/328,612.14 - Step 6: Final answer
x = 255,820.39
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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.