Finding the Fourth Proportional to 442,557.12, 663,838.08 and 110,133.12
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Solution
The fourth proportional to 442,557.12, 663,838.08 and 110,133.12 is: 165,200.28
Step by Step Solution
- Step 1: Write the proportion equation
442,557.12 : 663,838.08 = 110,133.12 : x - Step 2: Convert to fraction form
442,557.12/663,838.08 = 110,133.12/x - Step 3: Cross multiply
442,557.12x = 663,838.08 × 110,133.12 - Step 4: Simplify right side
442,557.12x = 73,110,558,925.21 - Step 5: Solve for x
x = 73,110,558,925.21/442,557.12 - Step 6: Final answer
x = 165,200.28
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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.