Finding the Fourth Proportional to 808,715.48, 1,212,865.55 and 239,962.03
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Solution
The fourth proportional to 808,715.48, 1,212,865.55 and 239,962.03 is: 359,881.42
Step by Step Solution
- Step 1: Write the proportion equation
808,715.48 : 1,212,865.55 = 239,962.03 : x - Step 2: Convert to fraction form
808,715.48/1,212,865.55 = 239,962.03/x - Step 3: Cross multiply
808,715.48x = 1,212,865.55 × 239,962.03 - Step 4: Simplify right side
808,715.48x = 291,041,676,162.95 - Step 5: Solve for x
x = 291,041,676,162.95/808,715.48 - Step 6: Final answer
x = 359,881.42
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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.