Finding the Fourth Proportional to 219,283.81, 302,611.57 and 118,681.81
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Solution
The fourth proportional to 219,283.81, 302,611.57 and 118,681.81 is: 163,780.85
Step by Step Solution
- Step 1: Write the proportion equation
219,283.81 : 302,611.57 = 118,681.81 : x - Step 2: Convert to fraction form
219,283.81/302,611.57 = 118,681.81/x - Step 3: Cross multiply
219,283.81x = 302,611.57 × 118,681.81 - Step 4: Simplify right side
219,283.81x = 35,914,487,801.31 - Step 5: Solve for x
x = 35,914,487,801.31/219,283.81 - Step 6: Final answer
x = 163,780.85
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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.