Finding the Fourth Proportional to 252,212.19, 348,055.16 and 139,038.99
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Solution
The fourth proportional to 252,212.19, 348,055.16 and 139,038.99 is: 191,875.09
Step by Step Solution
- Step 1: Write the proportion equation
252,212.19 : 348,055.16 = 139,038.99 : x - Step 2: Convert to fraction form
252,212.19/348,055.16 = 139,038.99/x - Step 3: Cross multiply
252,212.19x = 348,055.16 × 139,038.99 - Step 4: Simplify right side
252,212.19x = 48,393,237,215.49 - Step 5: Solve for x
x = 48,393,237,215.49/252,212.19 - Step 6: Final answer
x = 191,875.09
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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.