Finding the Fourth Proportional to 303,430.30, 455,327.70 and 125,918.80
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Solution
The fourth proportional to 303,430.30, 455,327.70 and 125,918.80 is: 188,953.83
Step by Step Solution
- Step 1: Write the proportion equation
303,430.30 : 455,327.70 = 125,918.80 : x - Step 2: Convert to fraction form
303,430.30/455,327.70 = 125,918.80/x - Step 3: Cross multiply
303,430.30x = 455,327.70 × 125,918.80 - Step 4: Simplify right side
303,430.30x = 57,334,317,590.76 - Step 5: Solve for x
x = 57,334,317,590.76/303,430.30 - Step 6: Final answer
x = 188,953.83
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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.