Finding the Fourth Proportional to 152,337.18, 210,222.74 and 84,352.68
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Solution
The fourth proportional to 152,337.18, 210,222.74 and 84,352.68 is: 116,405.28
Step by Step Solution
- Step 1: Write the proportion equation
152,337.18 : 210,222.74 = 84,352.68 : x - Step 2: Convert to fraction form
152,337.18/210,222.74 = 84,352.68/x - Step 3: Cross multiply
152,337.18x = 210,222.74 × 84,352.68 - Step 4: Simplify right side
152,337.18x = 17,732,851,515.94 - Step 5: Solve for x
x = 17,732,851,515.94/152,337.18 - Step 6: Final answer
x = 116,405.28
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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.