Finding the Fourth Proportional to 303,518.08, 455,237.08 and 93,138.40
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Solution
The fourth proportional to 303,518.08, 455,237.08 and 93,138.40 is: 139,695.31
Step by Step Solution
- Step 1: Write the proportion equation
303,518.08 : 455,237.08 = 93,138.40 : x - Step 2: Convert to fraction form
303,518.08/455,237.08 = 93,138.40/x - Step 3: Cross multiply
303,518.08x = 455,237.08 × 93,138.40 - Step 4: Simplify right side
303,518.08x = 42,400,053,251.87 - Step 5: Solve for x
x = 42,400,053,251.87/303,518.08 - Step 6: Final answer
x = 139,695.31
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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.