Finding the Fourth Proportional to 615,501.24, 849,389.40 and 343,566.75
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Solution
The fourth proportional to 615,501.24, 849,389.40 and 343,566.75 is: 474,120.82
Step by Step Solution
- Step 1: Write the proportion equation
615,501.24 : 849,389.40 = 343,566.75 : x - Step 2: Convert to fraction form
615,501.24/849,389.40 = 343,566.75/x - Step 3: Cross multiply
615,501.24x = 849,389.40 × 343,566.75 - Step 4: Simplify right side
615,501.24x = 291,821,955,642.45 - Step 5: Solve for x
x = 291,821,955,642.45/615,501.24 - Step 6: Final answer
x = 474,120.82
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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.