Finding the Fourth Proportional to 226,389.68, 312,402.64 and 124,412.95
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Solution
The fourth proportional to 226,389.68, 312,402.64 and 124,412.95 is: 171,681.56
Step by Step Solution
- Step 1: Write the proportion equation
226,389.68 : 312,402.64 = 124,412.95 : x - Step 2: Convert to fraction form
226,389.68/312,402.64 = 124,412.95/x - Step 3: Cross multiply
226,389.68x = 312,402.64 × 124,412.95 - Step 4: Simplify right side
226,389.68x = 38,866,934,030.19 - Step 5: Solve for x
x = 38,866,934,030.19/226,389.68 - Step 6: Final answer
x = 171,681.56
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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.