Finding the Fourth Proportional to 303,538.08, 455,374.80 and 93,197.28
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Solution
The fourth proportional to 303,538.08, 455,374.80 and 93,197.28 is: 139,816.70
Step by Step Solution
- Step 1: Write the proportion equation
303,538.08 : 455,374.80 = 93,197.28 : x - Step 2: Convert to fraction form
303,538.08/455,374.80 = 93,197.28/x - Step 3: Cross multiply
303,538.08x = 455,374.80 × 93,197.28 - Step 4: Simplify right side
303,538.08x = 42,439,692,740.54 - Step 5: Solve for x
x = 42,439,692,740.54/303,538.08 - Step 6: Final answer
x = 139,816.70
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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.