Finding the Fourth Proportional to 370,024.68, 510,643.35 and 208,894.62
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Solution
The fourth proportional to 370,024.68, 510,643.35 and 208,894.62 is: 288,279.82
Step by Step Solution
- Step 1: Write the proportion equation
370,024.68 : 510,643.35 = 208,894.62 : x - Step 2: Convert to fraction form
370,024.68/510,643.35 = 208,894.62/x - Step 3: Cross multiply
370,024.68x = 510,643.35 × 208,894.62 - Step 4: Simplify right side
370,024.68x = 106,670,648,553.78 - Step 5: Solve for x
x = 106,670,648,553.78/370,024.68 - Step 6: Final answer
x = 288,279.82
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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.