Finding the Fourth Proportional to 245,574,192.96, 338,890,307.76 and 135,563,544
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Solution
The fourth proportional to 245,574,192.96, 338,890,307.76 and 135,563,544 is: 187,076,543.32
Step by Step Solution
- Step 1: Write the proportion equation
245,574,192.96 : 338,890,307.76 = 135,563,544 : x - Step 2: Convert to fraction form
245,574,192.96/338,890,307.76 = 135,563,544/x - Step 3: Cross multiply
245,574,192.96x = 338,890,307.76 × 135,563,544 - Step 4: Simplify right side
245,574,192.96x = 45,941,171,147,196,304 - Step 5: Solve for x
x = 45,941,171,147,196,304/245,574,192.96 - Step 6: Final answer
x = 187,076,543.32
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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.