Finding the Fourth Proportional to 358,700.06, 495,028.48 and 197,555.06
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Solution
The fourth proportional to 358,700.06, 495,028.48 and 197,555.06 is: 272,638.32
Step by Step Solution
- Step 1: Write the proportion equation
358,700.06 : 495,028.48 = 197,555.06 : x - Step 2: Convert to fraction form
358,700.06/495,028.48 = 197,555.06/x - Step 3: Cross multiply
358,700.06x = 495,028.48 × 197,555.06 - Step 4: Simplify right side
358,700.06x = 97,795,381,068.11 - Step 5: Solve for x
x = 97,795,381,068.11/358,700.06 - Step 6: Final answer
x = 272,638.32
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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.