Finding the Fourth Proportional to 181,307.76, 249,317.40 and 157,392.60
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Solution
The fourth proportional to 181,307.76, 249,317.40 and 157,392.60 is: 216,431.52
Step by Step Solution
- Step 1: Write the proportion equation
181,307.76 : 249,317.40 = 157,392.60 : x - Step 2: Convert to fraction form
181,307.76/249,317.40 = 157,392.60/x - Step 3: Cross multiply
181,307.76x = 249,317.40 × 157,392.60 - Step 4: Simplify right side
181,307.76x = 39,240,713,811.24 - Step 5: Solve for x
x = 39,240,713,811.24/181,307.76 - Step 6: Final answer
x = 216,431.52
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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.