Finding the Fourth Proportional to 660,992.24, 912,131.88 and 359,184.08
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Solution
The fourth proportional to 660,992.24, 912,131.88 and 359,184.08 is: 495,653.70
Step by Step Solution
- Step 1: Write the proportion equation
660,992.24 : 912,131.88 = 359,184.08 : x - Step 2: Convert to fraction form
660,992.24/912,131.88 = 359,184.08/x - Step 3: Cross multiply
660,992.24x = 912,131.88 × 359,184.08 - Step 4: Simplify right side
660,992.24x = 327,623,250,156.47 - Step 5: Solve for x
x = 327,623,250,156.47/660,992.24 - Step 6: Final answer
x = 495,653.70
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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.