Finding the Fourth Proportional to 753,552.18, 1,130,312.88 and 221,061.42
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Solution
The fourth proportional to 753,552.18, 1,130,312.88 and 221,061.42 is: 331,587.62
Step by Step Solution
- Step 1: Write the proportion equation
753,552.18 : 1,130,312.88 = 221,061.42 : x - Step 2: Convert to fraction form
753,552.18/1,130,312.88 = 221,061.42/x - Step 3: Cross multiply
753,552.18x = 1,130,312.88 × 221,061.42 - Step 4: Simplify right side
753,552.18x = 249,868,570,297.09 - Step 5: Solve for x
x = 249,868,570,297.09/753,552.18 - Step 6: Final answer
x = 331,587.62
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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.