Finding the Fourth Proportional to 328,626.98, 453,516.81 and 185,393.06
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Solution
The fourth proportional to 328,626.98, 453,516.81 and 185,393.06 is: 255,848.95
Step by Step Solution
- Step 1: Write the proportion equation
328,626.98 : 453,516.81 = 185,393.06 : x - Step 2: Convert to fraction form
328,626.98/453,516.81 = 185,393.06/x - Step 3: Cross multiply
328,626.98x = 453,516.81 × 185,393.06 - Step 4: Simplify right side
328,626.98x = 84,078,869,167.34 - Step 5: Solve for x
x = 84,078,869,167.34/328,626.98 - Step 6: Final answer
x = 255,848.95
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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.