Finding the Fourth Proportional to 230,476.08, 318,077.88 and 139,854.99
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Solution
The fourth proportional to 230,476.08, 318,077.88 and 139,854.99 is: 193,012.56
Step by Step Solution
- Step 1: Write the proportion equation
230,476.08 : 318,077.88 = 139,854.99 : x - Step 2: Convert to fraction form
230,476.08/318,077.88 = 139,854.99/x - Step 3: Cross multiply
230,476.08x = 318,077.88 × 139,854.99 - Step 4: Simplify right side
230,476.08x = 44,484,778,726.62 - Step 5: Solve for x
x = 44,484,778,726.62/230,476.08 - Step 6: Final answer
x = 193,012.56
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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.