Finding the Fourth Proportional to 970,117.12, 1,455,165.44 and 379,136
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Solution
The fourth proportional to 970,117.12, 1,455,165.44 and 379,136 is: 568,700.00
Step by Step Solution
- Step 1: Write the proportion equation
970,117.12 : 1,455,165.44 = 379,136 : x - Step 2: Convert to fraction form
970,117.12/1,455,165.44 = 379,136/x - Step 3: Cross multiply
970,117.12x = 1,455,165.44 × 379,136 - Step 4: Simplify right side
970,117.12x = 551,705,604,259.84 - Step 5: Solve for x
x = 551,705,604,259.84/970,117.12 - Step 6: Final answer
x = 568,700.00
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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.