Finding the Fourth Proportional to 270,707.19, 373,615.95 and 155,963.98
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Solution
The fourth proportional to 270,707.19, 373,615.95 and 155,963.98 is: 215,253.35
Step by Step Solution
- Step 1: Write the proportion equation
270,707.19 : 373,615.95 = 155,963.98 : x - Step 2: Convert to fraction form
270,707.19/373,615.95 = 155,963.98/x - Step 3: Cross multiply
270,707.19x = 373,615.95 × 155,963.98 - Step 4: Simplify right side
270,707.19x = 58,270,630,553.48 - Step 5: Solve for x
x = 58,270,630,553.48/270,707.19 - Step 6: Final answer
x = 215,253.35
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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.