Finding the Fourth Proportional to 152,645.10, 210,663.18 and 84,683.99
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Solution
The fourth proportional to 152,645.10, 210,663.18 and 84,683.99 is: 116,871.08
Step by Step Solution
- Step 1: Write the proportion equation
152,645.10 : 210,663.18 = 84,683.99 : x - Step 2: Convert to fraction form
152,645.10/210,663.18 = 84,683.99/x - Step 3: Cross multiply
152,645.10x = 210,663.18 × 84,683.99 - Step 4: Simplify right side
152,645.10x = 17,839,797,575.17 - Step 5: Solve for x
x = 17,839,797,575.17/152,645.10 - Step 6: Final answer
x = 116,871.08
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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.