Finding the Fourth Proportional to 152,317.05, 210,204.09 and 84,334.02
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Solution
The fourth proportional to 152,317.05, 210,204.09 and 84,334.02 is: 116,384.58
Step by Step Solution
- Step 1: Write the proportion equation
152,317.05 : 210,204.09 = 84,334.02 : x - Step 2: Convert to fraction form
152,317.05/210,204.09 = 84,334.02/x - Step 3: Cross multiply
152,317.05x = 210,204.09 × 84,334.02 - Step 4: Simplify right side
152,317.05x = 17,727,355,930.14 - Step 5: Solve for x
x = 17,727,355,930.14/152,317.05 - Step 6: Final answer
x = 116,384.58
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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.