Finding the Fourth Proportional to 451,476.08, 623,048.86 and 255,226.95
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Solution
The fourth proportional to 451,476.08, 623,048.86 and 255,226.95 is: 352,219.90
Step by Step Solution
- Step 1: Write the proportion equation
451,476.08 : 623,048.86 = 255,226.95 : x - Step 2: Convert to fraction form
451,476.08/623,048.86 = 255,226.95/x - Step 3: Cross multiply
451,476.08x = 623,048.86 × 255,226.95 - Step 4: Simplify right side
451,476.08x = 159,018,860,557.81 - Step 5: Solve for x
x = 159,018,860,557.81/451,476.08 - Step 6: Final answer
x = 352,219.90
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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.