Finding the Fourth Proportional to 648,957.96, 973,272.63 and 193,444.08
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Solution
The fourth proportional to 648,957.96, 973,272.63 and 193,444.08 is: 290,117.14
Step by Step Solution
- Step 1: Write the proportion equation
648,957.96 : 973,272.63 = 193,444.08 : x - Step 2: Convert to fraction form
648,957.96/973,272.63 = 193,444.08/x - Step 3: Cross multiply
648,957.96x = 973,272.63 × 193,444.08 - Step 4: Simplify right side
648,957.96x = 188,273,828,499.53 - Step 5: Solve for x
x = 188,273,828,499.53/648,957.96 - Step 6: Final answer
x = 290,117.14
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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.