Finding the Fourth Proportional to 145,748.58, 201,225.90 and 118,955.01
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Solution
The fourth proportional to 145,748.58, 201,225.90 and 118,955.01 is: 164,233.70
Step by Step Solution
- Step 1: Write the proportion equation
145,748.58 : 201,225.90 = 118,955.01 : x - Step 2: Convert to fraction form
145,748.58/201,225.90 = 118,955.01/x - Step 3: Cross multiply
145,748.58x = 201,225.90 × 118,955.01 - Step 4: Simplify right side
145,748.58x = 23,936,828,946.76 - Step 5: Solve for x
x = 23,936,828,946.76/145,748.58 - Step 6: Final answer
x = 164,233.70
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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.