Finding the Fourth Proportional to 447,192.16, 617,069.05 and 302,313.09
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Solution
The fourth proportional to 447,192.16, 617,069.05 and 302,313.09 is: 417,154.12
Step by Step Solution
- Step 1: Write the proportion equation
447,192.16 : 617,069.05 = 302,313.09 : x - Step 2: Convert to fraction form
447,192.16/617,069.05 = 302,313.09/x - Step 3: Cross multiply
447,192.16x = 617,069.05 × 302,313.09 - Step 4: Simplify right side
447,192.16x = 186,548,049,737.30 - Step 5: Solve for x
x = 186,548,049,737.30/447,192.16 - Step 6: Final answer
x = 417,154.12
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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.