Finding the Fourth Proportional to 402,860.08, 555,950.58 and 219,100.36
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Solution
The fourth proportional to 402,860.08, 555,950.58 and 219,100.36 is: 302,360.49
Step by Step Solution
- Step 1: Write the proportion equation
402,860.08 : 555,950.58 = 219,100.36 : x - Step 2: Convert to fraction form
402,860.08/555,950.58 = 219,100.36/x - Step 3: Cross multiply
402,860.08x = 555,950.58 × 219,100.36 - Step 4: Simplify right side
402,860.08x = 121,808,972,220.21 - Step 5: Solve for x
x = 121,808,972,220.21/402,860.08 - Step 6: Final answer
x = 302,360.49
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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.