Finding the Fourth Proportional to 329,459.91, 494,220.65 and 92,802.21
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Solution
The fourth proportional to 329,459.91, 494,220.65 and 92,802.21 is: 139,211.99
Step by Step Solution
- Step 1: Write the proportion equation
329,459.91 : 494,220.65 = 92,802.21 : x - Step 2: Convert to fraction form
329,459.91/494,220.65 = 92,802.21/x - Step 3: Cross multiply
329,459.91x = 494,220.65 × 92,802.21 - Step 4: Simplify right side
329,459.91x = 45,864,768,547.64 - Step 5: Solve for x
x = 45,864,768,547.64/329,459.91 - Step 6: Final answer
x = 139,211.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.