Finding the Fourth Proportional to 145,927.19, 201,364.76 and 107,707.61
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Solution
The fourth proportional to 145,927.19, 201,364.76 and 107,707.61 is: 148,625.60
Step by Step Solution
- Step 1: Write the proportion equation
145,927.19 : 201,364.76 = 107,707.61 : x - Step 2: Convert to fraction form
145,927.19/201,364.76 = 107,707.61/x - Step 3: Cross multiply
145,927.19x = 201,364.76 × 107,707.61 - Step 4: Simplify right side
145,927.19x = 21,688,515,492.46 - Step 5: Solve for x
x = 21,688,515,492.46/145,927.19 - Step 6: Final answer
x = 148,625.60
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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.