Finding the Fourth Proportional to 286,521.99, 395,400.43 and 159,197.58
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Solution
The fourth proportional to 286,521.99, 395,400.43 and 159,197.58 is: 219,692.71
Step by Step Solution
- Step 1: Write the proportion equation
286,521.99 : 395,400.43 = 159,197.58 : x - Step 2: Convert to fraction form
286,521.99/395,400.43 = 159,197.58/x - Step 3: Cross multiply
286,521.99x = 395,400.43 × 159,197.58 - Step 4: Simplify right side
286,521.99x = 62,946,792,177.47 - Step 5: Solve for x
x = 62,946,792,177.47/286,521.99 - Step 6: Final answer
x = 219,692.71
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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.