Finding the Fourth Proportional to 233,280,103.80, 349,920,155.70 and 219,843,175.80
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Solution
The fourth proportional to 233,280,103.80, 349,920,155.70 and 219,843,175.80 is: 329,764,763.70
Step by Step Solution
- Step 1: Write the proportion equation
233,280,103.80 : 349,920,155.70 = 219,843,175.80 : x - Step 2: Convert to fraction form
233,280,103.80/349,920,155.70 = 219,843,175.80/x - Step 3: Cross multiply
233,280,103.80x = 349,920,155.70 × 219,843,175.80 - Step 4: Simplify right side
233,280,103.80x = 76,927,558,305,518,480 - Step 5: Solve for x
x = 76,927,558,305,518,480/233,280,103.80 - Step 6: Final answer
x = 329,764,763.70
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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.