Finding the Fourth Proportional to 346,943.44, 478,636.92 and 270,329.53
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Solution
The fourth proportional to 346,943.44, 478,636.92 and 270,329.53 is: 372,941.74
Step by Step Solution
- Step 1: Write the proportion equation
346,943.44 : 478,636.92 = 270,329.53 : x - Step 2: Convert to fraction form
346,943.44/478,636.92 = 270,329.53/x - Step 3: Cross multiply
346,943.44x = 478,636.92 × 270,329.53 - Step 4: Simplify right side
346,943.44x = 129,389,692,038.18 - Step 5: Solve for x
x = 129,389,692,038.18/346,943.44 - Step 6: Final answer
x = 372,941.74
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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.