Finding the Fourth Proportional to 537,994.29, 742,434.35 and 308,560.44
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Solution
The fourth proportional to 537,994.29, 742,434.35 and 308,560.44 is: 425,814.68
Step by Step Solution
- Step 1: Write the proportion equation
537,994.29 : 742,434.35 = 308,560.44 : x - Step 2: Convert to fraction form
537,994.29/742,434.35 = 308,560.44/x - Step 3: Cross multiply
537,994.29x = 742,434.35 × 308,560.44 - Step 4: Simplify right side
537,994.29x = 229,085,868,164.31 - Step 5: Solve for x
x = 229,085,868,164.31/537,994.29 - Step 6: Final answer
x = 425,814.68
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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.