Finding the Fourth Proportional to 147,562.68, 203,720.40 and 97,407.48
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Solution
The fourth proportional to 147,562.68, 203,720.40 and 97,407.48 is: 134,477.71
Step by Step Solution
- Step 1: Write the proportion equation
147,562.68 : 203,720.40 = 97,407.48 : x - Step 2: Convert to fraction form
147,562.68/203,720.40 = 97,407.48/x - Step 3: Cross multiply
147,562.68x = 203,720.40 × 97,407.48 - Step 4: Simplify right side
147,562.68x = 19,843,890,788.59 - Step 5: Solve for x
x = 19,843,890,788.59/147,562.68 - Step 6: Final answer
x = 134,477.71
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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.