Finding the Fourth Proportional to 370,447.08, 511,147.35 and 234,385.61
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Solution
The fourth proportional to 370,447.08, 511,147.35 and 234,385.61 is: 323,408.09
Step by Step Solution
- Step 1: Write the proportion equation
370,447.08 : 511,147.35 = 234,385.61 : x - Step 2: Convert to fraction form
370,447.08/511,147.35 = 234,385.61/x - Step 3: Cross multiply
370,447.08x = 511,147.35 × 234,385.61 - Step 4: Simplify right side
370,447.08x = 119,805,583,429.63 - Step 5: Solve for x
x = 119,805,583,429.63/370,447.08 - Step 6: Final answer
x = 323,408.09
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1.5x scale
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.