Finding the Fourth Proportional to 178,131.08, 245,820.82 and 98,643.08
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Solution
The fourth proportional to 178,131.08, 245,820.82 and 98,643.08 is: 136,127.41
Step by Step Solution
- Step 1: Write the proportion equation
178,131.08 : 245,820.82 = 98,643.08 : x - Step 2: Convert to fraction form
178,131.08/245,820.82 = 98,643.08/x - Step 3: Cross multiply
178,131.08x = 245,820.82 × 98,643.08 - Step 4: Simplify right side
178,131.08x = 24,248,522,812.93 - Step 5: Solve for x
x = 24,248,522,812.93/178,131.08 - Step 6: Final answer
x = 136,127.41
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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.