Finding the Fourth Proportional to 307,525.68, 424,385.04 and 173,389.68
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Solution
The fourth proportional to 307,525.68, 424,385.04 and 173,389.68 is: 239,277.53
Step by Step Solution
- Step 1: Write the proportion equation
307,525.68 : 424,385.04 = 173,389.68 : x - Step 2: Convert to fraction form
307,525.68/424,385.04 = 173,389.68/x - Step 3: Cross multiply
307,525.68x = 424,385.04 × 173,389.68 - Step 4: Simplify right side
307,525.68x = 73,583,986,282.39 - Step 5: Solve for x
x = 73,583,986,282.39/307,525.68 - Step 6: Final answer
x = 239,277.53
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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.