Finding the Fourth Proportional to 286,312.49, 429,373.35 and 115,490.08
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Solution
The fourth proportional to 286,312.49, 429,373.35 and 115,490.08 is: 173,196.64
Step by Step Solution
- Step 1: Write the proportion equation
286,312.49 : 429,373.35 = 115,490.08 : x - Step 2: Convert to fraction form
286,312.49/429,373.35 = 115,490.08/x - Step 3: Cross multiply
286,312.49x = 429,373.35 × 115,490.08 - Step 4: Simplify right side
286,312.49x = 49,588,361,467.93 - Step 5: Solve for x
x = 49,588,361,467.93/286,312.49 - Step 6: Final answer
x = 173,196.64
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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.