Finding the Fourth Proportional to 282,295.13, 423,587.88 and 187,590.74
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Solution
The fourth proportional to 282,295.13, 423,587.88 and 187,590.74 is: 281,482.59
Step by Step Solution
- Step 1: Write the proportion equation
282,295.13 : 423,587.88 = 187,590.74 : x - Step 2: Convert to fraction form
282,295.13/423,587.88 = 187,590.74/x - Step 3: Cross multiply
282,295.13x = 423,587.88 × 187,590.74 - Step 4: Simplify right side
282,295.13x = 79,461,161,746.29 - Step 5: Solve for x
x = 79,461,161,746.29/282,295.13 - Step 6: Final answer
x = 281,482.59
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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.