Finding the Fourth Proportional to 293,017.28, 439,525.88 and 105,985.04
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Solution
The fourth proportional to 293,017.28, 439,525.88 and 105,985.04 is: 158,977.55
Step by Step Solution
- Step 1: Write the proportion equation
293,017.28 : 439,525.88 = 105,985.04 : x - Step 2: Convert to fraction form
293,017.28/439,525.88 = 105,985.04/x - Step 3: Cross multiply
293,017.28x = 439,525.88 × 105,985.04 - Step 4: Simplify right side
293,017.28x = 46,583,167,972.84 - Step 5: Solve for x
x = 46,583,167,972.84/293,017.28 - Step 6: Final answer
x = 158,977.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.