Finding the Fourth Proportional to 537,921.09, 742,081.77 and 346,995.99
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Solution
The fourth proportional to 537,921.09, 742,081.77 and 346,995.99 is: 478,693.63
Step by Step Solution
- Step 1: Write the proportion equation
537,921.09 : 742,081.77 = 346,995.99 : x - Step 2: Convert to fraction form
537,921.09/742,081.77 = 346,995.99/x - Step 3: Cross multiply
537,921.09x = 742,081.77 × 346,995.99 - Step 4: Simplify right side
537,921.09x = 257,499,398,442.10 - Step 5: Solve for x
x = 257,499,398,442.10/537,921.09 - Step 6: Final answer
x = 478,693.63
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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.