Finding the Fourth Proportional to 178,130.08, 245,819.44 and 98,642.08
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Solution
The fourth proportional to 178,130.08, 245,819.44 and 98,642.08 is: 136,126.03
Step by Step Solution
- Step 1: Write the proportion equation
178,130.08 : 245,819.44 = 98,642.08 : x - Step 2: Convert to fraction form
178,130.08/245,819.44 = 98,642.08/x - Step 3: Cross multiply
178,130.08x = 245,819.44 × 98,642.08 - Step 4: Simplify right side
178,130.08x = 24,248,140,866.04 - Step 5: Solve for x
x = 24,248,140,866.04/178,130.08 - Step 6: Final answer
x = 136,126.03
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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.