Finding the Fourth Proportional to 430,085.18, 593,537.80 and 239,101.76
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Solution
The fourth proportional to 430,085.18, 593,537.80 and 239,101.76 is: 329,971.69
Step by Step Solution
- Step 1: Write the proportion equation
430,085.18 : 593,537.80 = 239,101.76 : x - Step 2: Convert to fraction form
430,085.18/593,537.80 = 239,101.76/x - Step 3: Cross multiply
430,085.18x = 593,537.80 × 239,101.76 - Step 4: Simplify right side
430,085.18x = 141,915,932,606.53 - Step 5: Solve for x
x = 141,915,932,606.53/430,085.18 - Step 6: Final answer
x = 329,971.69
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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.