Finding the Fourth Proportional to 403,177.36, 556,419.36 and 221,925.28
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Solution
The fourth proportional to 403,177.36, 556,419.36 and 221,925.28 is: 306,275.93
Step by Step Solution
- Step 1: Write the proportion equation
403,177.36 : 556,419.36 = 221,925.28 : x - Step 2: Convert to fraction form
403,177.36/556,419.36 = 221,925.28/x - Step 3: Cross multiply
403,177.36x = 556,419.36 × 221,925.28 - Step 4: Simplify right side
403,177.36x = 123,483,522,265.42 - Step 5: Solve for x
x = 123,483,522,265.42/403,177.36 - Step 6: Final answer
x = 306,275.93
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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.