Finding the Fourth Proportional to 368,283.76, 552,364.16 and 102,071.28
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Solution
The fourth proportional to 368,283.76, 552,364.16 and 102,071.28 is: 153,089.88
Step by Step Solution
- Step 1: Write the proportion equation
368,283.76 : 552,364.16 = 102,071.28 : x - Step 2: Convert to fraction form
368,283.76/552,364.16 = 102,071.28/x - Step 3: Cross multiply
368,283.76x = 552,364.16 × 102,071.28 - Step 4: Simplify right side
368,283.76x = 56,380,516,837.32 - Step 5: Solve for x
x = 56,380,516,837.32/368,283.76 - Step 6: Final answer
x = 153,089.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.