Finding the Fourth Proportional to 357,782.68, 536,738.82 and 147,305.80
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Solution
The fourth proportional to 357,782.68, 536,738.82 and 147,305.80 is: 220,985.38
Step by Step Solution
- Step 1: Write the proportion equation
357,782.68 : 536,738.82 = 147,305.80 : x - Step 2: Convert to fraction form
357,782.68/536,738.82 = 147,305.80/x - Step 3: Cross multiply
357,782.68x = 536,738.82 × 147,305.80 - Step 4: Simplify right side
357,782.68x = 79,064,741,271.16 - Step 5: Solve for x
x = 79,064,741,271.16/357,782.68 - Step 6: Final answer
x = 220,985.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.