Finding the Fourth Proportional to 471,840.14, 651,203.61 and 278,302.59
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Solution
The fourth proportional to 471,840.14, 651,203.61 and 278,302.59 is: 384,095.45
Step by Step Solution
- Step 1: Write the proportion equation
471,840.14 : 651,203.61 = 278,302.59 : x - Step 2: Convert to fraction form
471,840.14/651,203.61 = 278,302.59/x - Step 3: Cross multiply
471,840.14x = 651,203.61 × 278,302.59 - Step 4: Simplify right side
471,840.14x = 181,231,651,280.35 - Step 5: Solve for x
x = 181,231,651,280.35/471,840.14 - Step 6: Final answer
x = 384,095.45
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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.