Finding the Fourth Proportional to 416,691.15, 575,128.14 and 235,508.18
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Solution
The fourth proportional to 416,691.15, 575,128.14 and 235,508.18 is: 325,054.62
Step by Step Solution
- Step 1: Write the proportion equation
416,691.15 : 575,128.14 = 235,508.18 : x - Step 2: Convert to fraction form
416,691.15/575,128.14 = 235,508.18/x - Step 3: Cross multiply
416,691.15x = 575,128.14 × 235,508.18 - Step 4: Simplify right side
416,691.15x = 135,447,381,518.19 - Step 5: Solve for x
x = 135,447,381,518.19/416,691.15 - Step 6: Final answer
x = 325,054.62
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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.