Finding the Fourth Proportional to 432,812.99, 649,228.72 and 148,502.31
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Solution
The fourth proportional to 432,812.99, 649,228.72 and 148,502.31 is: 222,756.63
Step by Step Solution
- Step 1: Write the proportion equation
432,812.99 : 649,228.72 = 148,502.31 : x - Step 2: Convert to fraction form
432,812.99/649,228.72 = 148,502.31/x - Step 3: Cross multiply
432,812.99x = 649,228.72 × 148,502.31 - Step 4: Simplify right side
432,812.99x = 96,411,963,084.30 - Step 5: Solve for x
x = 96,411,963,084.30/432,812.99 - Step 6: Final answer
x = 222,756.63
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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.