Finding the Fourth Proportional to 219,253.17, 302,409.63 and 167,686.74
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Solution
The fourth proportional to 219,253.17, 302,409.63 and 167,686.74 is: 231,285.53
Step by Step Solution
- Step 1: Write the proportion equation
219,253.17 : 302,409.63 = 167,686.74 : x - Step 2: Convert to fraction form
219,253.17/302,409.63 = 167,686.74/x - Step 3: Cross multiply
219,253.17x = 302,409.63 × 167,686.74 - Step 4: Simplify right side
219,253.17x = 50,710,084,999.31 - Step 5: Solve for x
x = 50,710,084,999.31/219,253.17 - Step 6: Final answer
x = 231,285.53
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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.