Finding the Fourth Proportional to 380,579.24, 525,192.36 and 219,441.08
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Solution
The fourth proportional to 380,579.24, 525,192.36 and 219,441.08 is: 302,824.66
Step by Step Solution
- Step 1: Write the proportion equation
380,579.24 : 525,192.36 = 219,441.08 : x - Step 2: Convert to fraction form
380,579.24/525,192.36 = 219,441.08/x - Step 3: Cross multiply
380,579.24x = 525,192.36 × 219,441.08 - Step 4: Simplify right side
380,579.24x = 115,248,779,176.23 - Step 5: Solve for x
x = 115,248,779,176.23/380,579.24 - Step 6: Final answer
x = 302,824.66
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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.