Finding the Fourth Proportional to 338,184.19, 507,156.63 and 98,248.17
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Solution
The fourth proportional to 338,184.19, 507,156.63 and 98,248.17 is: 147,337.50
Step by Step Solution
- Step 1: Write the proportion equation
338,184.19 : 507,156.63 = 98,248.17 : x - Step 2: Convert to fraction form
338,184.19/507,156.63 = 98,248.17/x - Step 3: Cross multiply
338,184.19x = 507,156.63 × 98,248.17 - Step 4: Simplify right side
338,184.19x = 49,827,213,594.51 - Step 5: Solve for x
x = 49,827,213,594.51/338,184.19 - Step 6: Final answer
x = 147,337.50
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1.5x scale
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.