Finding the Fourth Proportional to 447,357.96, 617,341.68 and 253,801.08
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Solution
The fourth proportional to 447,357.96, 617,341.68 and 253,801.08 is: 350,238.51
Step by Step Solution
- Step 1: Write the proportion equation
447,357.96 : 617,341.68 = 253,801.08 : x - Step 2: Convert to fraction form
447,357.96/617,341.68 = 253,801.08/x - Step 3: Cross multiply
447,357.96x = 617,341.68 × 253,801.08 - Step 4: Simplify right side
447,357.96x = 156,681,985,113.01 - Step 5: Solve for x
x = 156,681,985,113.01/447,357.96 - Step 6: Final answer
x = 350,238.51
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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.