Finding the Fourth Proportional to 470,277.19, 648,971.84 and 255,412.63
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Solution
The fourth proportional to 470,277.19, 648,971.84 and 255,412.63 is: 352,463.62
Step by Step Solution
- Step 1: Write the proportion equation
470,277.19 : 648,971.84 = 255,412.63 : x - Step 2: Convert to fraction form
470,277.19/648,971.84 = 255,412.63/x - Step 3: Cross multiply
470,277.19x = 648,971.84 × 255,412.63 - Step 4: Simplify right side
470,277.19x = 165,755,599,928.42 - Step 5: Solve for x
x = 165,755,599,928.42/470,277.19 - Step 6: Final answer
x = 352,463.62
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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.