Finding the Fourth Proportional to 303,417.80, 455,126.70 and 185,319.80
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Solution
The fourth proportional to 303,417.80, 455,126.70 and 185,319.80 is: 277,979.70
Step by Step Solution
- Step 1: Write the proportion equation
303,417.80 : 455,126.70 = 185,319.80 : x - Step 2: Convert to fraction form
303,417.80/455,126.70 = 185,319.80/x - Step 3: Cross multiply
303,417.80x = 455,126.70 × 185,319.80 - Step 4: Simplify right side
303,417.80x = 84,343,989,018.66 - Step 5: Solve for x
x = 84,343,989,018.66/303,417.80 - Step 6: Final answer
x = 277,979.70
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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.