Finding the Fourth Proportional to 493,397.21, 680,904.66 and 302,373.71
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Solution
The fourth proportional to 493,397.21, 680,904.66 and 302,373.71 is: 417,285.84
Step by Step Solution
- Step 1: Write the proportion equation
493,397.21 : 680,904.66 = 302,373.71 : x - Step 2: Convert to fraction form
493,397.21/680,904.66 = 302,373.71/x - Step 3: Cross multiply
493,397.21x = 680,904.66 × 302,373.71 - Step 4: Simplify right side
493,397.21x = 205,887,668,200.49 - Step 5: Solve for x
x = 205,887,668,200.49/493,397.21 - Step 6: Final answer
x = 417,285.84
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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.