Finding the Fourth Proportional to 340,358.08, 469,839.52 and 242,304.63
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Solution
The fourth proportional to 340,358.08, 469,839.52 and 242,304.63 is: 334,483.88
Step by Step Solution
- Step 1: Write the proportion equation
340,358.08 : 469,839.52 = 242,304.63 : x - Step 2: Convert to fraction form
340,358.08/469,839.52 = 242,304.63/x - Step 3: Cross multiply
340,358.08x = 469,839.52 × 242,304.63 - Step 4: Simplify right side
340,358.08x = 113,844,291,052.98 - Step 5: Solve for x
x = 113,844,291,052.98/340,358.08 - Step 6: Final answer
x = 334,483.88
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1.5x scale
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.