Finding the Fourth Proportional to 255,038.12, 351,946.91 and 147,605.99
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Solution
The fourth proportional to 255,038.12, 351,946.91 and 147,605.99 is: 203,692.98
Step by Step Solution
- Step 1: Write the proportion equation
255,038.12 : 351,946.91 = 147,605.99 : x - Step 2: Convert to fraction form
255,038.12/351,946.91 = 147,605.99/x - Step 3: Cross multiply
255,038.12x = 351,946.91 × 147,605.99 - Step 4: Simplify right side
255,038.12x = 51,949,473,326.87 - Step 5: Solve for x
x = 51,949,473,326.87/255,038.12 - Step 6: Final answer
x = 203,692.98
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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.