Finding the Fourth Proportional to 122,443.83, 183,630.98 and 47,547.99
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Solution
The fourth proportional to 122,443.83, 183,630.98 and 47,547.99 is: 71,308.48
Step by Step Solution
- Step 1: Write the proportion equation
122,443.83 : 183,630.98 = 47,547.99 : x - Step 2: Convert to fraction form
122,443.83/183,630.98 = 47,547.99/x - Step 3: Cross multiply
122,443.83x = 183,630.98 × 47,547.99 - Step 4: Simplify right side
122,443.83x = 8,731,283,762.99 - Step 5: Solve for x
x = 8,731,283,762.99/122,443.83 - Step 6: Final answer
x = 71,308.48
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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.