Finding the Fourth Proportional to 509,668.04, 703,326.97 and 280,225.08
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Solution
The fourth proportional to 509,668.04, 703,326.97 and 280,225.08 is: 386,702.40
Step by Step Solution
- Step 1: Write the proportion equation
509,668.04 : 703,326.97 = 280,225.08 : x - Step 2: Convert to fraction form
509,668.04/703,326.97 = 280,225.08/x - Step 3: Cross multiply
509,668.04x = 703,326.97 × 280,225.08 - Step 4: Simplify right side
509,668.04x = 197,089,856,434.41 - Step 5: Solve for x
x = 197,089,856,434.41/509,668.04 - Step 6: Final answer
x = 386,702.40
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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.