Finding the Fourth Proportional to 447,695.58, 617,816.18 and 243,746.08
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Solution
The fourth proportional to 447,695.58, 617,816.18 and 243,746.08 is: 336,367.56
Step by Step Solution
- Step 1: Write the proportion equation
447,695.58 : 617,816.18 = 243,746.08 : x - Step 2: Convert to fraction form
447,695.58/617,816.18 = 243,746.08/x - Step 3: Cross multiply
447,695.58x = 617,816.18 × 243,746.08 - Step 4: Simplify right side
447,695.58x = 150,590,272,035.57 - Step 5: Solve for x
x = 150,590,272,035.57/447,695.58 - Step 6: Final answer
x = 336,367.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.