Finding the Fourth Proportional to 134,948.39, 201,331.45 and 121,497.12
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Solution
The fourth proportional to 134,948.39, 201,331.45 and 121,497.12 is: 181,263.31
Step by Step Solution
- Step 1: Write the proportion equation
134,948.39 : 201,331.45 = 121,497.12 : x - Step 2: Convert to fraction form
134,948.39/201,331.45 = 121,497.12/x - Step 3: Cross multiply
134,948.39x = 201,331.45 × 121,497.12 - Step 4: Simplify right side
134,948.39x = 24,461,191,492.30 - Step 5: Solve for x
x = 24,461,191,492.30/134,948.39 - Step 6: Final answer
x = 181,263.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.