Finding the Fourth Proportional to 547,534.40, 755,612.70 and 302,534.94
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Solution
The fourth proportional to 547,534.40, 755,612.70 and 302,534.94 is: 417,506.63
Step by Step Solution
- Step 1: Write the proportion equation
547,534.40 : 755,612.70 = 302,534.94 : x - Step 2: Convert to fraction form
547,534.40/755,612.70 = 302,534.94/x - Step 3: Cross multiply
547,534.40x = 755,612.70 × 302,534.94 - Step 4: Simplify right side
547,534.40x = 228,599,241,345.06 - Step 5: Solve for x
x = 228,599,241,345.06/547,534.40 - Step 6: Final answer
x = 417,506.63
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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.