Finding the Fourth Proportional to 292,730.76, 403,968.86 and 158,594.76
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Solution
The fourth proportional to 292,730.76, 403,968.86 and 158,594.76 is: 218,860.99
Step by Step Solution
- Step 1: Write the proportion equation
292,730.76 : 403,968.86 = 158,594.76 : x - Step 2: Convert to fraction form
292,730.76/403,968.86 = 158,594.76/x - Step 3: Cross multiply
292,730.76x = 403,968.86 × 158,594.76 - Step 4: Simplify right side
292,730.76x = 64,067,344,399.17 - Step 5: Solve for x
x = 64,067,344,399.17/292,730.76 - Step 6: Final answer
x = 218,860.99
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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.