Finding the Fourth Proportional to 309,541,897.10, 464,603,746.12 and 162,095,285.36
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Solution
The fourth proportional to 309,541,897.10, 464,603,746.12 and 162,095,285.36 is: 243,295,261.52
Step by Step Solution
- Step 1: Write the proportion equation
309,541,897.10 : 464,603,746.12 = 162,095,285.36 : x - Step 2: Convert to fraction form
309,541,897.10/464,603,746.12 = 162,095,285.36/x - Step 3: Cross multiply
309,541,897.10x = 464,603,746.12 × 162,095,285.36 - Step 4: Simplify right side
309,541,897.10x = 75,310,076,807,402,672 - Step 5: Solve for x
x = 75,310,076,807,402,672/309,541,897.10 - Step 6: Final answer
x = 243,295,261.52
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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.