Finding the Fourth Proportional to 310,574.10, 465,904.35 and 133,079.70
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Solution
The fourth proportional to 310,574.10, 465,904.35 and 133,079.70 is: 199,638.06
Step by Step Solution
- Step 1: Write the proportion equation
310,574.10 : 465,904.35 = 133,079.70 : x - Step 2: Convert to fraction form
310,574.10/465,904.35 = 133,079.70/x - Step 3: Cross multiply
310,574.10x = 465,904.35 × 133,079.70 - Step 4: Simplify right side
310,574.10x = 62,002,411,126.70 - Step 5: Solve for x
x = 62,002,411,126.70/310,574.10 - Step 6: Final answer
x = 199,638.06
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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.