Finding the Fourth Proportional to 219,730.14, 329,218.48 and 147,547.74
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Solution
The fourth proportional to 219,730.14, 329,218.48 and 147,547.74 is: 221,068.64
Step by Step Solution
- Step 1: Write the proportion equation
219,730.14 : 329,218.48 = 147,547.74 : x - Step 2: Convert to fraction form
219,730.14/329,218.48 = 147,547.74/x - Step 3: Cross multiply
219,730.14x = 329,218.48 × 147,547.74 - Step 4: Simplify right side
219,730.14x = 48,575,442,690.24 - Step 5: Solve for x
x = 48,575,442,690.24/219,730.14 - Step 6: Final answer
x = 221,068.64
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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.