Finding the Fourth Proportional to 157,070.20, 235,605.30 and 97,283.09
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Solution
The fourth proportional to 157,070.20, 235,605.30 and 97,283.09 is: 145,924.64
Step by Step Solution
- Step 1: Write the proportion equation
157,070.20 : 235,605.30 = 97,283.09 : x - Step 2: Convert to fraction form
157,070.20/235,605.30 = 97,283.09/x - Step 3: Cross multiply
157,070.20x = 235,605.30 × 97,283.09 - Step 4: Simplify right side
157,070.20x = 22,920,411,604.38 - Step 5: Solve for x
x = 22,920,411,604.38/157,070.20 - Step 6: Final answer
x = 145,924.64
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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.