Finding the Fourth Proportional to 277,202,416.90, 415,803,625.35 and 141,153,520.90
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Solution
The fourth proportional to 277,202,416.90, 415,803,625.35 and 141,153,520.90 is: 211,730,281.35
Step by Step Solution
- Step 1: Write the proportion equation
277,202,416.90 : 415,803,625.35 = 141,153,520.90 : x - Step 2: Convert to fraction form
277,202,416.90/415,803,625.35 = 141,153,520.90/x - Step 3: Cross multiply
277,202,416.90x = 415,803,625.35 × 141,153,520.90 - Step 4: Simplify right side
277,202,416.90x = 58,692,145,721,137,000 - Step 5: Solve for x
x = 58,692,145,721,137,000/277,202,416.90 - Step 6: Final answer
x = 211,730,281.35
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1.5x scale
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.