Finding the Fourth Proportional to 328,440.08, 453,369.84 and 255,698.84
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Solution
The fourth proportional to 328,440.08, 453,369.84 and 255,698.84 is: 352,959.79
Step by Step Solution
- Step 1: Write the proportion equation
328,440.08 : 453,369.84 = 255,698.84 : x - Step 2: Convert to fraction form
328,440.08/453,369.84 = 255,698.84/x - Step 3: Cross multiply
328,440.08x = 453,369.84 × 255,698.84 - Step 4: Simplify right side
328,440.08x = 115,926,142,178.99 - Step 5: Solve for x
x = 115,926,142,178.99/328,440.08 - Step 6: Final answer
x = 352,959.79
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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.