Finding the Fourth Proportional to 447,085.08, 616,925.70 and 256,087.08
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Solution
The fourth proportional to 447,085.08, 616,925.70 and 256,087.08 is: 353,370.55
Step by Step Solution
- Step 1: Write the proportion equation
447,085.08 : 616,925.70 = 256,087.08 : x - Step 2: Convert to fraction form
447,085.08/616,925.70 = 256,087.08/x - Step 3: Cross multiply
447,085.08x = 616,925.70 × 256,087.08 - Step 4: Simplify right side
447,085.08x = 157,986,701,089.96 - Step 5: Solve for x
x = 157,986,701,089.96/447,085.08 - Step 6: Final answer
x = 353,370.55
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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.