Finding the Fourth Proportional to 545,743.08, 818,725.34 and 171,679.08
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Solution
The fourth proportional to 545,743.08, 818,725.34 and 171,679.08 is: 257,553.45
Step by Step Solution
- Step 1: Write the proportion equation
545,743.08 : 818,725.34 = 171,679.08 : x - Step 2: Convert to fraction form
545,743.08/818,725.34 = 171,679.08/x - Step 3: Cross multiply
545,743.08x = 818,725.34 × 171,679.08 - Step 4: Simplify right side
545,743.08x = 140,558,013,143.89 - Step 5: Solve for x
x = 140,558,013,143.89/545,743.08 - Step 6: Final answer
x = 257,553.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.