Finding the Fourth Proportional to 330,031.98, 455,406.30 and 184,817.52
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Solution
The fourth proportional to 330,031.98, 455,406.30 and 184,817.52 is: 255,026.99
Step by Step Solution
- Step 1: Write the proportion equation
330,031.98 : 455,406.30 = 184,817.52 : x - Step 2: Convert to fraction form
330,031.98/455,406.30 = 184,817.52/x - Step 3: Cross multiply
330,031.98x = 455,406.30 × 184,817.52 - Step 4: Simplify right side
330,031.98x = 84,167,062,958.38 - Step 5: Solve for x
x = 84,167,062,958.38/330,031.98 - Step 6: Final answer
x = 255,026.99
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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.