Finding the Fourth Proportional to 230,203.62, 317,681.57 and 133,426.14
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Solution
The fourth proportional to 230,203.62, 317,681.57 and 133,426.14 is: 184,128.40
Step by Step Solution
- Step 1: Write the proportion equation
230,203.62 : 317,681.57 = 133,426.14 : x - Step 2: Convert to fraction form
230,203.62/317,681.57 = 133,426.14/x - Step 3: Cross multiply
230,203.62x = 317,681.57 × 133,426.14 - Step 4: Simplify right side
230,203.62x = 42,387,024,401.24 - Step 5: Solve for x
x = 42,387,024,401.24/230,203.62 - Step 6: Final answer
x = 184,128.40
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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.