Finding the Fourth Proportional to 415,365.24, 573,395.40 and 243,259.28
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Solution
The fourth proportional to 415,365.24, 573,395.40 and 243,259.28 is: 335,809.88
Step by Step Solution
- Step 1: Write the proportion equation
415,365.24 : 573,395.40 = 243,259.28 : x - Step 2: Convert to fraction form
415,365.24/573,395.40 = 243,259.28/x - Step 3: Cross multiply
415,365.24x = 573,395.40 × 243,259.28 - Step 4: Simplify right side
415,365.24x = 139,483,752,159.31 - Step 5: Solve for x
x = 139,483,752,159.31/415,365.24 - Step 6: Final answer
x = 335,809.88
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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.