Finding the Fourth Proportional to 152,352.09, 210,226.19 and 85,284.09
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Solution
The fourth proportional to 152,352.09, 210,226.19 and 85,284.09 is: 117,681.02
Step by Step Solution
- Step 1: Write the proportion equation
152,352.09 : 210,226.19 = 85,284.09 : x - Step 2: Convert to fraction form
152,352.09/210,226.19 = 85,284.09/x - Step 3: Cross multiply
152,352.09x = 210,226.19 × 85,284.09 - Step 4: Simplify right side
152,352.09x = 17,928,948,881.90 - Step 5: Solve for x
x = 17,928,948,881.90/152,352.09 - Step 6: Final answer
x = 117,681.02
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1.5x scale
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.