Finding the Fourth Proportional to 230,192.75, 317,681.95 and 139,552.53
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Solution
The fourth proportional to 230,192.75, 317,681.95 and 139,552.53 is: 192,592.17
Step by Step Solution
- Step 1: Write the proportion equation
230,192.75 : 317,681.95 = 139,552.53 : x - Step 2: Convert to fraction form
230,192.75/317,681.95 = 139,552.53/x - Step 3: Cross multiply
230,192.75x = 317,681.95 × 139,552.53 - Step 4: Simplify right side
230,192.75x = 44,333,319,857.83 - Step 5: Solve for x
x = 44,333,319,857.83/230,192.75 - Step 6: Final answer
x = 192,592.17
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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.