Finding the Fourth Proportional to 436,509.14, 602,378.26 and 242,913.55
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Solution
The fourth proportional to 436,509.14, 602,378.26 and 242,913.55 is: 335,218.27
Step by Step Solution
- Step 1: Write the proportion equation
436,509.14 : 602,378.26 = 242,913.55 : x - Step 2: Convert to fraction form
436,509.14/602,378.26 = 242,913.55/x - Step 3: Cross multiply
436,509.14x = 602,378.26 × 242,913.55 - Step 4: Simplify right side
436,509.14x = 146,325,838,567.53 - Step 5: Solve for x
x = 146,325,838,567.53/436,509.14 - Step 6: Final answer
x = 335,218.27
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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.