Finding the Fourth Proportional to 447,430.14, 617,464.98 and 243,492.12
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Solution
The fourth proportional to 447,430.14, 617,464.98 and 243,492.12 is: 336,025.32
Step by Step Solution
- Step 1: Write the proportion equation
447,430.14 : 617,464.98 = 243,492.12 : x - Step 2: Convert to fraction form
447,430.14/617,464.98 = 243,492.12/x - Step 3: Cross multiply
447,430.14x = 617,464.98 × 243,492.12 - Step 4: Simplify right side
447,430.14x = 150,347,857,005.96 - Step 5: Solve for x
x = 150,347,857,005.96/447,430.14 - Step 6: Final answer
x = 336,025.32
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1.5x scale
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.