Finding the Fourth Proportional to 318,630.80, 439,710.36 and 184,494.80
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Solution
The fourth proportional to 318,630.80, 439,710.36 and 184,494.80 is: 254,602.74
Step by Step Solution
- Step 1: Write the proportion equation
318,630.80 : 439,710.36 = 184,494.80 : x - Step 2: Convert to fraction form
318,630.80/439,710.36 = 184,494.80/x - Step 3: Cross multiply
318,630.80x = 439,710.36 × 184,494.80 - Step 4: Simplify right side
318,630.80x = 81,124,274,926.13 - Step 5: Solve for x
x = 81,124,274,926.13/318,630.80 - Step 6: Final answer
x = 254,602.74
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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.