Finding the Fourth Proportional to 403,572.25, 556,929.71 and 233,904.79
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Solution
The fourth proportional to 403,572.25, 556,929.71 and 233,904.79 is: 322,788.61
Step by Step Solution
- Step 1: Write the proportion equation
403,572.25 : 556,929.71 = 233,904.79 : x - Step 2: Convert to fraction form
403,572.25/556,929.71 = 233,904.79/x - Step 3: Cross multiply
403,572.25x = 556,929.71 × 233,904.79 - Step 4: Simplify right side
403,572.25x = 130,268,526,862.31 - Step 5: Solve for x
x = 130,268,526,862.31/403,572.25 - Step 6: Final answer
x = 322,788.61
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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.